Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 6 - Rational Expressions and Equations - Review Exercises: Chapter 6 - Page 437: 13



Work Step by Step

Recall, to simplify rational expressions, we look for common factors in the numerator and the denominator. Doing this, we find: $$ \frac{3x^2-9x}{3x^2+15x}\\ \frac{3x\left(x-3\right)}{3x\left(x+5\right)}\\ \frac{x-3}{x+5}$$
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