Aromātai
15-18x-x^{2}
Whakaroha
15-18x-x^{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
2\left(x^{2}-6x+9\right)-3\left(x+1\right)^{2}
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-3\right)^{2}.
2x^{2}-12x+18-3\left(x+1\right)^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x^{2}-6x+9.
2x^{2}-12x+18-3\left(x^{2}+2x+1\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(x+1\right)^{2}.
2x^{2}-12x+18-3x^{2}-6x-3
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x^{2}+2x+1.
-x^{2}-12x+18-6x-3
Pahekotia te 2x^{2} me -3x^{2}, ka -x^{2}.
-x^{2}-18x+18-3
Pahekotia te -12x me -6x, ka -18x.
-x^{2}-18x+15
Tangohia te 3 i te 18, ka 15.
2\left(x^{2}-6x+9\right)-3\left(x+1\right)^{2}
Whakamahia te ture huarua \left(a-b\right)^{2}=a^{2}-2ab+b^{2} hei whakaroha \left(x-3\right)^{2}.
2x^{2}-12x+18-3\left(x+1\right)^{2}
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x^{2}-6x+9.
2x^{2}-12x+18-3\left(x^{2}+2x+1\right)
Whakamahia te ture huarua \left(a+b\right)^{2}=a^{2}+2ab+b^{2} hei whakaroha \left(x+1\right)^{2}.
2x^{2}-12x+18-3x^{2}-6x-3
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x^{2}+2x+1.
-x^{2}-12x+18-6x-3
Pahekotia te 2x^{2} me -3x^{2}, ka -x^{2}.
-x^{2}-18x+18-3
Pahekotia te -12x me -6x, ka -18x.
-x^{2}-18x+15
Tangohia te 3 i te 18, ka 15.
Ngā Tauira
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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}