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 688: 39

Answer

$ \frac{r-2k-6}{9+p^{3}}$

Work Step by Step

Given : $\frac{r-5}{9+p^{3}} - \frac{2k+1}{9+p^{3}}$ This becomes : $\frac{r-5-(2k+1)}{9+p^{3}}$ (Since they both have the same denominator) $= \frac{r-2k-6}{9+p^{3}}$
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