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: 13



Work Step by Step

Given : $\frac{n}{n^{2}+4n+4} + \frac{2}{n^{2}+4n+4}$ This becomes : $\frac{n+2}{n^{2}+4n+4}$ $=\frac{n+2}{(n+2)(n+2)}$ $=\frac{1}{n+2}$ (After dividing out the common factor (n+2))
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