Algebra: A Combined Approach (4th Edition)

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

Chapter 1 - Section 1.7 - Properties of Real Numbers - Exercise Set: 69

Answer

$30(a+b)$

Work Step by Step

Using the distributive property $30a+30b=(30)*a+(30)*b=30(a+b)$
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