Aromātai
-8x^{2}-19x-7
Whakaroha
-8x^{2}-19x-7
Graph
Tohaina
Kua tāruatia ki te papatopenga
\left(2x+6\right)\left(-3x-2\right)-\left(2x-5\right)\left(x+1\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+3.
-6x^{2}-4x-18x-12-\left(2x-5\right)\left(x+1\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x+6 ki ia tau o -3x-2.
-6x^{2}-22x-12-\left(2x-5\right)\left(x+1\right)
Pahekotia te -4x me -18x, ka -22x.
-6x^{2}-22x-12-\left(2x^{2}+2x-5x-5\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x-5 ki ia tau o x+1.
-6x^{2}-22x-12-\left(2x^{2}-3x-5\right)
Pahekotia te 2x me -5x, ka -3x.
-6x^{2}-22x-12-2x^{2}-\left(-3x\right)-\left(-5\right)
Hei kimi i te tauaro o 2x^{2}-3x-5, kimihia te tauaro o ia taurangi.
-6x^{2}-22x-12-2x^{2}+3x-\left(-5\right)
Ko te tauaro o -3x ko 3x.
-6x^{2}-22x-12-2x^{2}+3x+5
Ko te tauaro o -5 ko 5.
-8x^{2}-22x-12+3x+5
Pahekotia te -6x^{2} me -2x^{2}, ka -8x^{2}.
-8x^{2}-19x-12+5
Pahekotia te -22x me 3x, ka -19x.
-8x^{2}-19x-7
Tāpirihia te -12 ki te 5, ka -7.
\left(2x+6\right)\left(-3x-2\right)-\left(2x-5\right)\left(x+1\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+3.
-6x^{2}-4x-18x-12-\left(2x-5\right)\left(x+1\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x+6 ki ia tau o -3x-2.
-6x^{2}-22x-12-\left(2x-5\right)\left(x+1\right)
Pahekotia te -4x me -18x, ka -22x.
-6x^{2}-22x-12-\left(2x^{2}+2x-5x-5\right)
Me hoatu te āhuatanga tohatoha mā te whakarea ia tau o 2x-5 ki ia tau o x+1.
-6x^{2}-22x-12-\left(2x^{2}-3x-5\right)
Pahekotia te 2x me -5x, ka -3x.
-6x^{2}-22x-12-2x^{2}-\left(-3x\right)-\left(-5\right)
Hei kimi i te tauaro o 2x^{2}-3x-5, kimihia te tauaro o ia taurangi.
-6x^{2}-22x-12-2x^{2}+3x-\left(-5\right)
Ko te tauaro o -3x ko 3x.
-6x^{2}-22x-12-2x^{2}+3x+5
Ko te tauaro o -5 ko 5.
-8x^{2}-22x-12+3x+5
Pahekotia te -6x^{2} me -2x^{2}, ka -8x^{2}.
-8x^{2}-19x-12+5
Pahekotia te -22x me 3x, ka -19x.
-8x^{2}-19x-7
Tāpirihia te -12 ki te 5, ka -7.
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}