Lutasin ang 7/64a^2+[(1/2a+1/3)(1/2a-frac{1}{3})-frac{1}{2}a(4a-frac{3}{4})+frac{7}{4}a^2-frac{8}{9}]^2-frac{1}{4}a

$$\frac { 7 } { 64 } a ^ { 2 } + [ ( \frac { 1 } { 2 } a + \frac { 1 } { 3 } ) ( \frac { 1 } { 2 } a - \frac { 1 } { 3 } ) - \frac { 1 } { 2 } a ( 4 a - \frac { 3 } { 4 } ) + \frac { 7 } { 4 } a ^ { 2 } - \frac { 8 } { 9 } ] ^ { 2 } - \frac { 1 } { 4 } a$$

I-evaluate

$$\frac{\left(a-2\right)^{2}}{4}$$

Mga Hakbang ng Solution

Isaalang-alang ang \left(\frac{1}{2}a+\frac{1}{3}\right)\left(\frac{1}{2}a-\frac{1}{3}\right). Maaaring ma-transform ang pag-multiply sa difference ng mga square gamit ang rule na: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. I-square ang \frac{1}{3}.

$$\frac{7}{64}a^{2}+\left(\left(\frac{1}{2}a\right)^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}\right)^{2}-\frac{1}{4}a$$

Palawakin ang \left(\frac{1}{2}a\right)^{2}.

$$\frac{7}{64}a^{2}+\left(\left(\frac{1}{2}\right)^{2}a^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}\right)^{2}-\frac{1}{4}a$$

Kalkulahin ang \frac{1}{2} sa power ng 2 at kunin ang \frac{1}{4}.

$$\frac{7}{64}a^{2}+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}\right)^{2}-\frac{1}{4}a$$

I-square ang \frac{1}{4}a^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}.

$$\frac{7}{64}a^{2}+\frac{7}{2}a^{2}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Para hanapin ang kabaligtaran ng 2a^{2}-\frac{3}{8}a, hanapin ang kabaligtaran ng bawat term.

$$\frac{7}{64}a^{2}+\frac{7}{2}a^{2}\left(\frac{1}{4}a^{2}-\frac{1}{9}-2a^{2}+\frac{3}{8}a\right)+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1}{4}a^{2} at -2a^{2} para makuha ang -\frac{7}{4}a^{2}.

$$\frac{7}{64}a^{2}+\frac{7}{2}a^{2}\left(-\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a\right)+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Gamitin ang distributive property para i-multiply ang \frac{7}{2}a^{2} gamit ang -\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Para hanapin ang kabaligtaran ng 2a^{2}-\frac{3}{8}a, hanapin ang kabaligtaran ng bawat term.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\left(\frac{1}{4}a^{2}-\frac{1}{9}-2a^{2}+\frac{3}{8}a\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1}{4}a^{2} at -2a^{2} para makuha ang -\frac{7}{4}a^{2}.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\left(-\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

I-square ang -\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\frac{49}{16}a^{4}-\frac{21}{16}a^{3}+\frac{305}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{49}{8}a^{4} at \frac{49}{16}a^{4} para makuha ang -\frac{49}{16}a^{4}.

$$\frac{7}{64}a^{2}-\frac{49}{16}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}-\frac{21}{16}a^{3}+\frac{305}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{21}{16}a^{3} at -\frac{21}{16}a^{3} para makuha ang 0.

$$\frac{7}{64}a^{2}-\frac{49}{16}a^{4}-\frac{7}{18}a^{2}+\frac{305}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{7}{18}a^{2} at \frac{305}{576}a^{2} para makuha ang \frac{9}{64}a^{2}.

$$\frac{7}{64}a^{2}-\frac{49}{16}a^{4}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{49}{16}a^{4} at \frac{49}{16}a^{4} para makuha ang 0.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Para hanapin ang kabaligtaran ng 2a^{2}-\frac{3}{8}a, hanapin ang kabaligtaran ng bawat term.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-2a^{2}+\frac{3}{8}a\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1}{4}a^{2} at -2a^{2} para makuha ang -\frac{7}{4}a^{2}.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}-\frac{16}{9}\left(-\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Gamitin ang distributive property para i-multiply ang -\frac{16}{9} gamit ang -\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{28}{9}a^{2}+\frac{16}{81}-\frac{2}{3}a-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{9}{64}a^{2} at \frac{28}{9}a^{2} para makuha ang \frac{1873}{576}a^{2}.

$$\frac{7}{64}a^{2}+\frac{1873}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{16}{81}-\frac{2}{3}a-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Idagdag ang \frac{1}{81} at \frac{16}{81} para makuha ang \frac{17}{81}.

$$\frac{7}{64}a^{2}+\frac{1873}{576}a^{2}-\frac{1}{12}a+\frac{17}{81}-\frac{2}{3}a-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{1}{12}a at -\frac{2}{3}a para makuha ang -\frac{3}{4}a.

$$\frac{7}{64}a^{2}+\frac{1873}{576}a^{2}-\frac{3}{4}a+\frac{17}{81}-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1873}{576}a^{2} at -\frac{28}{9}a^{2} para makuha ang \frac{9}{64}a^{2}.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{3}{4}a+\frac{17}{81}+\frac{64}{81}-\frac{1}{4}a$$

Idagdag ang \frac{17}{81} at \frac{64}{81} para makuha ang 1.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{3}{4}a+1-\frac{1}{4}a$$

Pagsamahin ang \frac{7}{64}a^{2} at \frac{9}{64}a^{2} para makuha ang \frac{1}{4}a^{2}.

$$\frac{1}{4}a^{2}-\frac{3}{4}a+1-\frac{1}{4}a$$

Pagsamahin ang -\frac{3}{4}a at -\frac{1}{4}a para makuha ang -a.

$$\frac{1}{4}a^{2}-a+1$$

Palawakin

$$\frac{a^{2}}{4}-a+1$$

Mga Hakbang ng Solution

Isaalang-alang ang \left(\frac{1}{2}a+\frac{1}{3}\right)\left(\frac{1}{2}a-\frac{1}{3}\right). Maaaring ma-transform ang pag-multiply sa difference ng mga square gamit ang rule na: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}. I-square ang \frac{1}{3}.

$$\frac{7}{64}a^{2}+\left(\left(\frac{1}{2}a\right)^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}\right)^{2}-\frac{1}{4}a$$

Palawakin ang \left(\frac{1}{2}a\right)^{2}.

$$\frac{7}{64}a^{2}+\left(\left(\frac{1}{2}\right)^{2}a^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}\right)^{2}-\frac{1}{4}a$$

Kalkulahin ang \frac{1}{2} sa power ng 2 at kunin ang \frac{1}{4}.

$$\frac{7}{64}a^{2}+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}\right)^{2}-\frac{1}{4}a$$

I-square ang \frac{1}{4}a^{2}-\frac{1}{9}-\frac{1}{2}a\left(4a-\frac{3}{4}\right)+\frac{7}{4}a^{2}-\frac{8}{9}.

$$\frac{7}{64}a^{2}+\frac{7}{2}a^{2}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Para hanapin ang kabaligtaran ng 2a^{2}-\frac{3}{8}a, hanapin ang kabaligtaran ng bawat term.

$$\frac{7}{64}a^{2}+\frac{7}{2}a^{2}\left(\frac{1}{4}a^{2}-\frac{1}{9}-2a^{2}+\frac{3}{8}a\right)+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1}{4}a^{2} at -2a^{2} para makuha ang -\frac{7}{4}a^{2}.

$$\frac{7}{64}a^{2}+\frac{7}{2}a^{2}\left(-\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a\right)+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Gamitin ang distributive property para i-multiply ang \frac{7}{2}a^{2} gamit ang -\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Para hanapin ang kabaligtaran ng 2a^{2}-\frac{3}{8}a, hanapin ang kabaligtaran ng bawat term.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\left(\frac{1}{4}a^{2}-\frac{1}{9}-2a^{2}+\frac{3}{8}a\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1}{4}a^{2} at -2a^{2} para makuha ang -\frac{7}{4}a^{2}.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\left(-\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a\right)^{2}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

I-square ang -\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a.

$$\frac{7}{64}a^{2}-\frac{49}{8}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}+\frac{49}{16}a^{4}-\frac{21}{16}a^{3}+\frac{305}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{49}{8}a^{4} at \frac{49}{16}a^{4} para makuha ang -\frac{49}{16}a^{4}.

$$\frac{7}{64}a^{2}-\frac{49}{16}a^{4}-\frac{7}{18}a^{2}+\frac{21}{16}a^{3}-\frac{21}{16}a^{3}+\frac{305}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{21}{16}a^{3} at -\frac{21}{16}a^{3} para makuha ang 0.

$$\frac{7}{64}a^{2}-\frac{49}{16}a^{4}-\frac{7}{18}a^{2}+\frac{305}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{7}{18}a^{2} at \frac{305}{576}a^{2} para makuha ang \frac{9}{64}a^{2}.

$$\frac{7}{64}a^{2}-\frac{49}{16}a^{4}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{49}{16}a^{4}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{49}{16}a^{4} at \frac{49}{16}a^{4} para makuha ang 0.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-\left(2a^{2}-\frac{3}{8}a\right)\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Para hanapin ang kabaligtaran ng 2a^{2}-\frac{3}{8}a, hanapin ang kabaligtaran ng bawat term.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}-\frac{16}{9}\left(\frac{1}{4}a^{2}-\frac{1}{9}-2a^{2}+\frac{3}{8}a\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1}{4}a^{2} at -2a^{2} para makuha ang -\frac{7}{4}a^{2}.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}-\frac{16}{9}\left(-\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a\right)-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Gamitin ang distributive property para i-multiply ang -\frac{16}{9} gamit ang -\frac{7}{4}a^{2}-\frac{1}{9}+\frac{3}{8}a.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{28}{9}a^{2}+\frac{16}{81}-\frac{2}{3}a-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{9}{64}a^{2} at \frac{28}{9}a^{2} para makuha ang \frac{1873}{576}a^{2}.

$$\frac{7}{64}a^{2}+\frac{1873}{576}a^{2}-\frac{1}{12}a+\frac{1}{81}+\frac{16}{81}-\frac{2}{3}a-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Idagdag ang \frac{1}{81} at \frac{16}{81} para makuha ang \frac{17}{81}.

$$\frac{7}{64}a^{2}+\frac{1873}{576}a^{2}-\frac{1}{12}a+\frac{17}{81}-\frac{2}{3}a-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang -\frac{1}{12}a at -\frac{2}{3}a para makuha ang -\frac{3}{4}a.

$$\frac{7}{64}a^{2}+\frac{1873}{576}a^{2}-\frac{3}{4}a+\frac{17}{81}-\frac{28}{9}a^{2}+\frac{64}{81}-\frac{1}{4}a$$

Pagsamahin ang \frac{1873}{576}a^{2} at -\frac{28}{9}a^{2} para makuha ang \frac{9}{64}a^{2}.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{3}{4}a+\frac{17}{81}+\frac{64}{81}-\frac{1}{4}a$$

Idagdag ang \frac{17}{81} at \frac{64}{81} para makuha ang 1.

$$\frac{7}{64}a^{2}+\frac{9}{64}a^{2}-\frac{3}{4}a+1-\frac{1}{4}a$$

Pagsamahin ang \frac{7}{64}a^{2} at \frac{9}{64}a^{2} para makuha ang \frac{1}{4}a^{2}.

$$\frac{1}{4}a^{2}-\frac{3}{4}a+1-\frac{1}{4}a$$

Pagsamahin ang -\frac{3}{4}a at -\frac{1}{4}a para makuha ang -a.

$$\frac{1}{4}a^{2}-a+1$$