Aromātai
\left(3-7x\right)\left(3x-1\right)
Whakaroha
-21x^{2}+16x-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
15x-5-\left(21x^{2}-7x+6x-2\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 7x+2 ki ia tau o 3x-1.
15x-5-\left(21x^{2}-x-2\right)
Pahekotia te -7x me 6x, ka -x.
15x-5-21x^{2}-\left(-x\right)-\left(-2\right)
Hei kimi i te tauaro o 21x^{2}-x-2, kimihia te tauaro o ia taurangi.
15x-5-21x^{2}+x-\left(-2\right)
Ko te tauaro o -x ko x.
15x-5-21x^{2}+x+2
Ko te tauaro o -2 ko 2.
16x-5-21x^{2}+2
Pahekotia te 15x me x, ka 16x.
16x-3-21x^{2}
Tāpirihia te -5 ki te 2, ka -3.
15x-5-\left(21x^{2}-7x+6x-2\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 7x+2 ki ia tau o 3x-1.
15x-5-\left(21x^{2}-x-2\right)
Pahekotia te -7x me 6x, ka -x.
15x-5-21x^{2}-\left(-x\right)-\left(-2\right)
Hei kimi i te tauaro o 21x^{2}-x-2, kimihia te tauaro o ia taurangi.
15x-5-21x^{2}+x-\left(-2\right)
Ko te tauaro o -x ko x.
15x-5-21x^{2}+x+2
Ko te tauaro o -2 ko 2.
16x-5-21x^{2}+2
Pahekotia te 15x me x, ka 16x.
16x-3-21x^{2}
Tāpirihia te -5 ki te 2, ka -3.
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}