Aromātai
8+3x-x^{2}
Whakaroha
8+3x-x^{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x-3x+6-\left(x-2\right)\left(x+1\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x-2.
2x+6-\left(x-2\right)\left(x+1\right)
Pahekotia te 5x me -3x, ka 2x.
2x+6-\left(x^{2}+x-2x-2\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o x-2 ki ia tau o x+1.
2x+6-\left(x^{2}-x-2\right)
Pahekotia te x me -2x, ka -x.
2x+6-x^{2}-\left(-x\right)-\left(-2\right)
Hei kimi i te tauaro o x^{2}-x-2, kimihia te tauaro o ia taurangi.
2x+6-x^{2}+x-\left(-2\right)
Ko te tauaro o -x ko x.
2x+6-x^{2}+x+2
Ko te tauaro o -2 ko 2.
3x+6-x^{2}+2
Pahekotia te 2x me x, ka 3x.
3x+8-x^{2}
Tāpirihia te 6 ki te 2, ka 8.
5x-3x+6-\left(x-2\right)\left(x+1\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x-2.
2x+6-\left(x-2\right)\left(x+1\right)
Pahekotia te 5x me -3x, ka 2x.
2x+6-\left(x^{2}+x-2x-2\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o x-2 ki ia tau o x+1.
2x+6-\left(x^{2}-x-2\right)
Pahekotia te x me -2x, ka -x.
2x+6-x^{2}-\left(-x\right)-\left(-2\right)
Hei kimi i te tauaro o x^{2}-x-2, kimihia te tauaro o ia taurangi.
2x+6-x^{2}+x-\left(-2\right)
Ko te tauaro o -x ko x.
2x+6-x^{2}+x+2
Ko te tauaro o -2 ko 2.
3x+6-x^{2}+2
Pahekotia te 2x me x, ka 3x.
3x+8-x^{2}
Tāpirihia te 6 ki te 2, ka 8.
Ngā Tauira
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4 \sin \theta \cos \theta = 2 \sin \theta
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Arithmetic
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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
\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}