Evaluate
5\left(y^{2}-x\right)
Factor
5\left(y^{2}-x\right)
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-7x+5y^{2}+2x+3y^{2}-3y^{2}
Combine -5x and -2x to get -7x.
-5x+5y^{2}+3y^{2}-3y^{2}
Combine -7x and 2x to get -5x.
-5x+8y^{2}-3y^{2}
Combine 5y^{2} and 3y^{2} to get 8y^{2}.
-5x+5y^{2}
Combine 8y^{2} and -3y^{2} to get 5y^{2}.
-5x+5y^{2}
Multiply and combine like terms.
5\left(-x+y^{2}\right)
Factor out 5.
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}