Factor
\left(a-b\right)\left(x+3\right)
Evaluate
\left(a-b\right)\left(x+3\right)
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x\left(a-b\right)+3\left(a-b\right)
Do the grouping xa-xb+3a-3b=\left(xa-xb\right)+\left(3a-3b\right), and factor out x in the first and 3 in the second group.
\left(a-b\right)\left(x+3\right)
Factor out common term a-b by using distributive property.
Examples
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