Factor
\left(x+4\right)\left(x-2y\right)
Evaluate
\left(x+4\right)\left(x-2y\right)
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x\left(x-2y\right)+4\left(x-2y\right)
Do the grouping x^{2}-2xy+4x-8y=\left(x^{2}-2xy\right)+\left(4x-8y\right), and factor out x in the first and 4 in the second group.
\left(x-2y\right)\left(x+4\right)
Factor out common term x-2y by using distributive property.
Examples
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