## Intermediate Algebra (6th Edition)

Published by Pearson

# Chapter 5 - Section 5.4 - Multiplying Polynomials - Exercise Set - Page 290: 109a

#### Answer

$6x+12$

#### Work Step by Step

By combining like terms, the given expression, $(3x+5)+(3x+7)$, is equivalent to \begin{array}{l}\require{cancel} (3x+3x)+(5+7) \\\\= 6x+12 .\end{array}

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