Evaluate
6y-2x
Factor
2\left(3y-x\right)
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5x+5y+9z-12z-2y+3z-7x+3y
Combine x and 4x to get 5x.
5x+5y-3z-2y+3z-7x+3y
Combine 9z and -12z to get -3z.
5x+3y-3z+3z-7x+3y
Combine 5y and -2y to get 3y.
5x+3y-7x+3y
Combine -3z and 3z to get 0.
-2x+3y+3y
Combine 5x and -7x to get -2x.
-2x+6y
Combine 3y and 3y to get 6y.
-2x+6y
Multiply and combine like terms.
2\left(-x+3y\right)
Factor out 2.
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}