Answer
We are only considering a single, factored denominator.
Work Step by Step
The LCD only looks at how often a given term appears in a single denominator. Thus, the fact that it appears three times total is irrelevant.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Vocabulary, Readiness & Video Check - Page 353: 10
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