Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - Chapter Review - Page 52: 19



Work Step by Step

We start by distributing -1 to the terms in the first set of parentheses. We have $-(3a-2b)-3(-a-b)=-3a+2b-3(-a-b)=-3a+2b+3a+3b=5b$.
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