Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Review - Page 474: 39



Work Step by Step

3$r^{2}$+36r+108=3($r^{2}$+12r+36)=3($r^{2}$+(2)(r)(6)+$6^{2}$)= 3$(r+6)^{2}$
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