Aromātai
\frac{\left(110-x\right)\left(x-18\right)}{2}
Whakaroha
-\frac{x^{2}}{2}+64x-990
Graph
Tohaina
Kua tāruatia ki te papatopenga
-\frac{1}{2}xx-\frac{1}{2}x\left(-18\right)+55x-990
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o -\frac{1}{2}x+55 ki ia tau o x-18.
-\frac{1}{2}x^{2}-\frac{1}{2}x\left(-18\right)+55x-990
Whakareatia te x ki te x, ka x^{2}.
-\frac{1}{2}x^{2}+\frac{-\left(-18\right)}{2}x+55x-990
Tuhia te -\frac{1}{2}\left(-18\right) hei hautanga kotahi.
-\frac{1}{2}x^{2}+\frac{18}{2}x+55x-990
Whakareatia te -1 ki te -18, ka 18.
-\frac{1}{2}x^{2}+9x+55x-990
Whakawehea te 18 ki te 2, kia riro ko 9.
-\frac{1}{2}x^{2}+64x-990
Pahekotia te 9x me 55x, ka 64x.
-\frac{1}{2}xx-\frac{1}{2}x\left(-18\right)+55x-990
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o -\frac{1}{2}x+55 ki ia tau o x-18.
-\frac{1}{2}x^{2}-\frac{1}{2}x\left(-18\right)+55x-990
Whakareatia te x ki te x, ka x^{2}.
-\frac{1}{2}x^{2}+\frac{-\left(-18\right)}{2}x+55x-990
Tuhia te -\frac{1}{2}\left(-18\right) hei hautanga kotahi.
-\frac{1}{2}x^{2}+\frac{18}{2}x+55x-990
Whakareatia te -1 ki te -18, ka 18.
-\frac{1}{2}x^{2}+9x+55x-990
Whakawehea te 18 ki te 2, kia riro ko 9.
-\frac{1}{2}x^{2}+64x-990
Pahekotia te 9x me 55x, ka 64x.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Whakarerekētanga
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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}