Aromātai
15x^{2}+18x-65
Whakaroha
15x^{2}+18x-65
Graph
Pātaitai
Polynomial
5 raruraru e ōrite ana ki:
8 ( x ^ { 2 } + 4 x - 2 ) - 7 ( - x ^ { 2 } + 2 x + 7 )
Tohaina
Kua tāruatia ki te papatopenga
8x^{2}+32x-16-7\left(-x^{2}+2x+7\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 8 ki te x^{2}+4x-2.
8x^{2}+32x-16-7\left(-x^{2}\right)-14x-49
Whakamahia te āhuatanga tohatoha hei whakarea te -7 ki te -x^{2}+2x+7.
8x^{2}+32x-16+7x^{2}-14x-49
Whakareatia te -7 ki te -1, ka 7.
15x^{2}+32x-16-14x-49
Pahekotia te 8x^{2} me 7x^{2}, ka 15x^{2}.
15x^{2}+18x-16-49
Pahekotia te 32x me -14x, ka 18x.
15x^{2}+18x-65
Tangohia te 49 i te -16, ka -65.
8x^{2}+32x-16-7\left(-x^{2}+2x+7\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 8 ki te x^{2}+4x-2.
8x^{2}+32x-16-7\left(-x^{2}\right)-14x-49
Whakamahia te āhuatanga tohatoha hei whakarea te -7 ki te -x^{2}+2x+7.
8x^{2}+32x-16+7x^{2}-14x-49
Whakareatia te -7 ki te -1, ka 7.
15x^{2}+32x-16-14x-49
Pahekotia te 8x^{2} me 7x^{2}, ka 15x^{2}.
15x^{2}+18x-16-49
Pahekotia te 32x me -14x, ka 18x.
15x^{2}+18x-65
Tangohia te 49 i te -16, ka -65.
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}