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 - 11-4 Adding and Subtracting Rational Expressions - Practice and Problem-Solving Exercises - Page 687: 15



Work Step by Step

Given : $\frac{3n+2}{n+4} - \frac{n-6}{n+4}$ $= \frac{3n+2-(n-6)}{n+4}$ (Since they have the same denominator) $= \frac{3n-n+2+6}{n+4}$ $= \frac{2n+8}{n+4}= \frac{2\times(n+4)}{n+4}$ $= 2$
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