Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Section 5.5 - Factoring Special Forms - Concept and Vocabulary Check - Page 371: 7


$b+3$; $b-3$

Work Step by Step

RECALL: A difference of two squares can be factored using the formula $x^2-y^2=(x+y)(x-y)$ Factor using the formula above with $x=a$ and $y=b+3$ to obtain: $=[a+(b+3)][a-(b+3)] \\=(a+b+3)(a-b-3)$ Thus, the missing expressions in the given statement are: $b+3$; $b-3$
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