Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 5 - Section 5.1 - Greatest Common Factors and Factoring by Grouping - 5.1 Exercises: 10

Answer

$15(r-3)$

Work Step by Step

The greatest common factor of $15r-45$ is 15. Therefore, $15r-45=15\times r-15\times3=15(r-3)$.
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