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

$40p+5q-25r$
Using $a(b+c)=ab+ac$ (or the Distributive Property), the given expression, $5(8p+q-5r) ,$ is equivalent to \begin{array}{l}\require{cancel} 5(8p)+5(q)+5(-5r) \\\\= 40p+5q-25r .\end{array}