Aromātai
-\frac{\left(x-4\right)^{2}}{2}+7
Whakaroha
-\frac{x^{2}}{2}+4x-1
Graph
Tohaina
Kua tāruatia ki te papatopenga
-\frac{1}{2}\left(x^{2}-8x+16\right)+7
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-4\right)^{2}.
-\frac{1}{2}x^{2}+4x-8+7
Whakamahia te āhuatanga tohatoha hei whakarea te -\frac{1}{2} ki te x^{2}-8x+16.
-\frac{1}{2}x^{2}+4x-1
Tāpirihia te -8 ki te 7, ka -1.
-\frac{1}{2}\left(x^{2}-8x+16\right)+7
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-4\right)^{2}.
-\frac{1}{2}x^{2}+4x-8+7
Whakamahia te āhuatanga tohatoha hei whakarea te -\frac{1}{2} ki te x^{2}-8x+16.
-\frac{1}{2}x^{2}+4x-1
Tāpirihia te -8 ki te 7, ka -1.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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\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
\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}