Aromātai
5x^{2}+9x-15
Whakaroha
5x^{2}+9x-15
Graph
Tohaina
Kua tāruatia ki te papatopenga
8x+3x^{2}-\left(-x+15-2x^{2}\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 5-2x ki te x+3 ka whakakotahi i ngā kupu rite.
8x+3x^{2}+x-15+2x^{2}
Hei kimi i te tauaro o -x+15-2x^{2}, kimihia te tauaro o ia taurangi.
9x+3x^{2}-15+2x^{2}
Pahekotia te 8x me x, ka 9x.
9x+5x^{2}-15
Pahekotia te 3x^{2} me 2x^{2}, ka 5x^{2}.
8x+3x^{2}-\left(-x+15-2x^{2}\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 5-2x ki te x+3 ka whakakotahi i ngā kupu rite.
8x+3x^{2}+x-15+2x^{2}
Hei kimi i te tauaro o -x+15-2x^{2}, kimihia te tauaro o ia taurangi.
9x+3x^{2}-15+2x^{2}
Pahekotia te 8x me x, ka 9x.
9x+5x^{2}-15
Pahekotia te 3x^{2} me 2x^{2}, ka 5x^{2}.
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}