Factor
\frac{b\left(m-2ab\right)}{4}
Evaluate
\frac{b\left(m-2ab\right)}{4}
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\frac{mb-2ab^{2}}{4}
Factor out \frac{1}{4}.
b\left(m-2ab\right)
Consider mb-2ab^{2}. Factor out b.
\frac{b\left(m-2ab\right)}{4}
Rewrite the complete factored expression.
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