Factor
\left(c-3d\right)\left(2a+b\right)
Evaluate
\left(c-3d\right)\left(2a+b\right)
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2a\left(c-3d\right)+b\left(c-3d\right)
Do the grouping 2ac-6ad+bc-3bd=\left(2ac-6ad\right)+\left(bc-3bd\right), and factor out 2a in the first and b in the second group.
\left(c-3d\right)\left(2a+b\right)
Factor out common term c-3d by using distributive property.
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