Factor
\left(b-20m\right)\left(x+17\right)
Evaluate
\left(b-20m\right)\left(x+17\right)
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x\left(-20m+b\right)+17\left(-20m+b\right)
Do the grouping xb-20xm+17b-340m=\left(xb-20xm\right)+\left(17b-340m\right), and factor out x in the first and 17 in the second group.
\left(-20m+b\right)\left(x+17\right)
Factor out common term -20m+b by using distributive property.
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