Evaluate
20+14y-2x
Factor
2\left(10+7y-x\right)
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-6x+4y-12+4x+10y+32
The opposite of -4x is 4x.
-2x+4y-12+10y+32
Combine -6x and 4x to get -2x.
-2x+14y-12+32
Combine 4y and 10y to get 14y.
-2x+14y+20
Add -12 and 32 to get 20.
2\left(-x+7y+10\right)
Factor out 2.
-x+7y+10
Consider -3x+2y-6+2x+5y+16. Multiply and combine like terms.
2\left(-x+7y+10\right)
Rewrite the complete factored expression.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}