Aromātai
2x^{2}-4x-3
Whakaroha
2x^{2}-4x-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
8x^{2}-14x-15-\left(6x^{2}-10x-12\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 4x+3 ki te 2x-5 ka whakakotahi i ngā kupu rite.
8x^{2}-14x-15-6x^{2}+10x+12
Hei kimi i te tauaro o 6x^{2}-10x-12, kimihia te tauaro o ia taurangi.
2x^{2}-14x-15+10x+12
Pahekotia te 8x^{2} me -6x^{2}, ka 2x^{2}.
2x^{2}-4x-15+12
Pahekotia te -14x me 10x, ka -4x.
2x^{2}-4x-3
Tāpirihia te -15 ki te 12, ka -3.
8x^{2}-14x-15-\left(6x^{2}-10x-12\right)
Whakamahia te āhuatanga tuaritanga hei whakarea te 4x+3 ki te 2x-5 ka whakakotahi i ngā kupu rite.
8x^{2}-14x-15-6x^{2}+10x+12
Hei kimi i te tauaro o 6x^{2}-10x-12, kimihia te tauaro o ia taurangi.
2x^{2}-14x-15+10x+12
Pahekotia te 8x^{2} me -6x^{2}, ka 2x^{2}.
2x^{2}-4x-15+12
Pahekotia te -14x me 10x, ka -4x.
2x^{2}-4x-3
Tāpirihia te -15 ki te 12, ka -3.
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}