Aromātai
\left(x+7\right)\left(4+3y-2x\right)
Whakaroha
28+21y-10x+3xy-2x^{2}
Tohaina
Kua tāruatia ki te papatopenga
\left(7+x\right)\left(-2x+3y+4\right)
Tāpirihia te 3 ki te 4, ka 7.
-14x+21y+28-2x^{2}+3xy+4x
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 7+x ki ia tau o -2x+3y+4.
-10x+21y+28-2x^{2}+3xy
Pahekotia te -14x me 4x, ka -10x.
\left(7+x\right)\left(-2x+3y+4\right)
Tāpirihia te 3 ki te 4, ka 7.
-14x+21y+28-2x^{2}+3xy+4x
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 7+x ki ia tau o -2x+3y+4.
-10x+21y+28-2x^{2}+3xy
Pahekotia te -14x me 4x, ka -10x.
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}