Factor
\left(4b-1\right)\left(8a-7\right)
Evaluate
\left(4b-1\right)\left(8a-7\right)
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8a\left(4b-1\right)-7\left(4b-1\right)
Do the grouping 32ab-8a-28b+7=\left(32ab-8a\right)+\left(-28b+7\right), and factor out 8a in the first and -7 in the second group.
\left(4b-1\right)\left(8a-7\right)
Factor out common term 4b-1 by using distributive property.
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