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

$2[3(a+b)]$
$3[2(a+b)]=2[3(a+b)]$ There are three factors in this multiplication problem. They are 3, 2 and (a+b). The associative property says the factors can be regrouped without impacting the result. In the original expression 2 is grouped with (a+b). In the rewritten expression 3 is grouped with (a+b).