## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$-21x+35$
Using $a(b+c)=ab+ac$ (or the Distributive Property), the given expression, $-7(3x-5) ,$ is equivalent to \begin{array}{l}\require{cancel} -7(3x)-7(-5) \\\\= -21x+35 .\end{array}