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: 11

Answer

$4(1+5z)$

Work Step by Step

The greatest common factor of $4+20z$ is 4. Therefore, $4+20z=4\times1+4\times5z=4(1+5z)$.
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