Aromātai
21-16x-4x^{2}
Whakaroha
21-16x-4x^{2}
Graph
Pātaitai
Polynomial
5 raruraru e ōrite ana ki:
( 9 x ^ { 2 } - 14 x + 12 ) - ( 13 x ^ { 2 } + 2 x - 9 )
Tohaina
Kua tāruatia ki te papatopenga
9x^{2}-14x+12-13x^{2}-2x+9
Hei kimi i te tauaro o 13x^{2}+2x-9, kimihia te tauaro o ia taurangi.
-4x^{2}-14x+12-2x+9
Pahekotia te 9x^{2} me -13x^{2}, ka -4x^{2}.
-4x^{2}-16x+12+9
Pahekotia te -14x me -2x, ka -16x.
-4x^{2}-16x+21
Tāpirihia te 12 ki te 9, ka 21.
9x^{2}-14x+12-13x^{2}-2x+9
Hei kimi i te tauaro o 13x^{2}+2x-9, kimihia te tauaro o ia taurangi.
-4x^{2}-14x+12-2x+9
Pahekotia te 9x^{2} me -13x^{2}, ka -4x^{2}.
-4x^{2}-16x+12+9
Pahekotia te -14x me -2x, ka -16x.
-4x^{2}-16x+21
Tāpirihia te 12 ki te 9, ka 21.
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}