#### Answer

$\color{blue}{(5a-3)(2b+7)}$

#### Work Step by Step

Regroup:
$=(10ab-6b)+(35a-21)$
Factor out $2b$ in the first and $7$ in the second group to obtain:
$=2b(5a-3)+7(5a-3)$
Factor out $5a-3$ to obtain:
$=\color{blue}{(5a-3)(2b+7)}$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$\color{blue}{(5a-3)(2b+7)}$

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