Evaluate
4x-2
Factor
2\left(2x-1\right)
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5x-2y+1+5y-6+3-x-3y
Combine 3x and 2x to get 5x.
5x+3y+1-6+3-x-3y
Combine -2y and 5y to get 3y.
5x+3y-5+3-x-3y
Subtract 6 from 1 to get -5.
5x+3y-2-x-3y
Add -5 and 3 to get -2.
4x+3y-2-3y
Combine 5x and -x to get 4x.
4x-2
Combine 3y and -3y to get 0.
4x-2
Multiply and combine like terms.
2\left(2x-1\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}