Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 6 - Section 6.1 - The Greatest Common Factor and Factoring by Grouping - Exercise Set - Page 428: 112



Work Step by Step

In the first step, (-1) was factored out of the second parentheses. OK In the second step, the (-1) multiplies the b to give -b. OK In the last step, the common binomial (x-7) is factored out using distribution. OK. No problems. True.
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