Aromātai
\left(2a-5\right)\left(2a-1\right)
Whakaroha
4a^{2}-12a+5
Tohaina
Kua tāruatia ki te papatopenga
4\left(a^{2}-2a+1\right)-4\left(a-1\right)-3
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-1\right)^{2}.
4a^{2}-8a+4-4\left(a-1\right)-3
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te a^{2}-2a+1.
4a^{2}-8a+4-4a+4-3
Whakamahia te āhuatanga tohatoha hei whakarea te -4 ki te a-1.
4a^{2}-12a+4+4-3
Pahekotia te -8a me -4a, ka -12a.
4a^{2}-12a+8-3
Tāpirihia te 4 ki te 4, ka 8.
4a^{2}-12a+5
Tangohia te 3 i te 8, ka 5.
4\left(a^{2}-2a+1\right)-4\left(a-1\right)-3
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-1\right)^{2}.
4a^{2}-8a+4-4\left(a-1\right)-3
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te a^{2}-2a+1.
4a^{2}-8a+4-4a+4-3
Whakamahia te āhuatanga tohatoha hei whakarea te -4 ki te a-1.
4a^{2}-12a+4+4-3
Pahekotia te -8a me -4a, ka -12a.
4a^{2}-12a+8-3
Tāpirihia te 4 ki te 4, ka 8.
4a^{2}-12a+5
Tangohia te 3 i te 8, ka 5.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
y = 3x + 4
Arithmetic
699 * 533
Poukapa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}