Answer
-1
Work Step by Step
(x - 9) / (9 - x)
= (x - 9) / (-1)(x - 9)
= 1 / (-1)
= -1
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: 21
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