5 x ^ { 2 } + 3 x - 7,2 x ^ { 2 } - 9 , - 11 x ^ { 2 } + 2 x + 8
Evaluate
-\frac{66x^{2}}{5}+5x-1
Factor
-\frac{66x^{2}-25x+5}{5}
Graph
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-2,2x^{2}+3x-9-11x^{2}+2x+8
Combine 5x^{2} and -7,2x^{2} to get -2,2x^{2}.
-13,2x^{2}+3x-9+2x+8
Combine -2,2x^{2} and -11x^{2} to get -13,2x^{2}.
-13,2x^{2}+5x-9+8
Combine 3x and 2x to get 5x.
-13,2x^{2}+5x-1
Add -9 and 8 to get -1.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
Matrix
\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]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}