Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.1 - Simplifying Rational Expressions - Vocabulary and Readiness Check - Page 489: 3



Work Step by Step

Step 1: $\frac{x-3}{3-x}$ Step 2: $\frac{x-3}{-x+3}$ Step 3: $\frac{x-3}{-(x-3)}$ Step 3: Since the numerator and denominator both contain (x-3), they can be cancelled to give $\frac{1}{-1}$ Step 4: $\frac{1}{-1}$=$-1$
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