Answer
-x - 7
Work Step by Step
($x^{2}$ - 49) / (7 - x) = (x - 7)(x + 7) / (-1)(x - 7) = (x + 7) / (-1) = -x - 7
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 6 - Section 6.1 - Rational Functions and Multiplying and Dividing Rational Expressions - Exercise Set - Page 345: 23
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