Aromātai
\left(b-2c\right)^{2}-9a^{2}
Whakaroha
4c^{2}-4bc+b^{2}-9a^{2}
Tohaina
Kua tāruatia ki te papatopenga
-9a^{2}+3ab-6ac-3ba+b^{2}-2bc+6ca-2cb+4c^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 3a+b-2c ki ia tau o -3a+b-2c.
-9a^{2}-6ac+b^{2}-2bc+6ca-2cb+4c^{2}
Pahekotia te 3ab me -3ba, ka 0.
-9a^{2}+b^{2}-2bc-2cb+4c^{2}
Pahekotia te -6ac me 6ca, ka 0.
-9a^{2}+b^{2}-4bc+4c^{2}
Pahekotia te -2bc me -2cb, ka -4bc.
-9a^{2}+3ab-6ac-3ba+b^{2}-2bc+6ca-2cb+4c^{2}
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 3a+b-2c ki ia tau o -3a+b-2c.
-9a^{2}-6ac+b^{2}-2bc+6ca-2cb+4c^{2}
Pahekotia te 3ab me -3ba, ka 0.
-9a^{2}+b^{2}-2bc-2cb+4c^{2}
Pahekotia te -6ac me 6ca, ka 0.
-9a^{2}+b^{2}-4bc+4c^{2}
Pahekotia te -2bc me -2cb, ka -4bc.
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}