Evaluate
12+8b-3696a-16ab
Factor
4\left(3+2b-924a-4ab\right)
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-3700a-9ab+5b+4a-7ab+3b+12
Combine 12a and -3712a to get -3700a.
-3696a-9ab+5b-7ab+3b+12
Combine -3700a and 4a to get -3696a.
-3696a-16ab+5b+3b+12
Combine -9ab and -7ab to get -16ab.
-3696a-16ab+8b+12
Combine 5b and 3b to get 8b.
-16ab-3696a+8b+12
Multiply and combine like terms.
4\left(-4ab-924a+2b+3\right)
Factor out 4.
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}