Aromātai
\left(a-b\right)\left(a-2b\right)
Whakaroha
a^{2}-3ab+2b^{2}
Tohaina
Kua tāruatia ki te papatopenga
2\left(a^{2}-2ab+b^{2}\right)-a\left(a-b\right)
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-b\right)^{2}.
2a^{2}-4ab+2b^{2}-a\left(a-b\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te a^{2}-2ab+b^{2}.
2a^{2}-4ab+2b^{2}-\left(a^{2}-ab\right)
Whakamahia te āhuatanga tohatoha hei whakarea te a ki te a-b.
2a^{2}-4ab+2b^{2}-a^{2}+ab
Hei kimi i te tauaro o a^{2}-ab, kimihia te tauaro o ia taurangi.
a^{2}-4ab+2b^{2}+ab
Pahekotia te 2a^{2} me -a^{2}, ka a^{2}.
a^{2}-3ab+2b^{2}
Pahekotia te -4ab me ab, ka -3ab.
2\left(a^{2}-2ab+b^{2}\right)-a\left(a-b\right)
Whakamahia te ture huarua \left(p-q\right)^{2}=p^{2}-2pq+q^{2} hei whakaroha \left(a-b\right)^{2}.
2a^{2}-4ab+2b^{2}-a\left(a-b\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te a^{2}-2ab+b^{2}.
2a^{2}-4ab+2b^{2}-\left(a^{2}-ab\right)
Whakamahia te āhuatanga tohatoha hei whakarea te a ki te a-b.
2a^{2}-4ab+2b^{2}-a^{2}+ab
Hei kimi i te tauaro o a^{2}-ab, kimihia te tauaro o ia taurangi.
a^{2}-4ab+2b^{2}+ab
Pahekotia te 2a^{2} me -a^{2}, ka a^{2}.
a^{2}-3ab+2b^{2}
Pahekotia te -4ab me ab, ka -3ab.
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}