Factor
4a\left(2a-b^{2}-7b\right)
Evaluate
4a\left(2a-b^{2}-7b\right)
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4\left(2a^{2}-7ab-ab^{2}\right)
Factor out 4.
a\left(2a-7b-b^{2}\right)
Consider 2a^{2}-7ab-ab^{2}. Factor out a.
4a\left(2a-7b-b^{2}\right)
Rewrite the complete factored expression.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
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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
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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