Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 11 - Rational Expressions and Functions - Mid-Chapter Quiz - Page 690: 20



Work Step by Step

Given : $\frac{2x}{x-5} + \frac{9}{x+4}=\frac{2x(x+4)+9(x-5)}{(x-5)(x+4)}$ (Finding the least common denominator) This becomes : $\frac{2x^{2}+8x+9x-45}{(x-5)(x+4)}=\frac{2x^{2}+17x-45}{(x-5)(x+4)}$
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