Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 6 - Section 6.1 - Rational Expressions and Functions; Multiplying and Dividing - 6.1 Exercises - Page 375: 59

Answer

$-\frac{x+y}{x-y}$

Work Step by Step

$\frac{(a-3)(x+y)}{(3-a)(x-y)}=\frac{-(3-a)(x+y)}{(3-a)(x-y)}=-\frac{3-a}{3-a}\times\frac{x+y}{x-y}=-1\times\frac{x+y}{x-y}=-\frac{x+y}{x-y}$
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