Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-4 Adding and Subtracting Rational Expressions - Practice and Problem-Solving Exercises: 30

Answer

$\frac{17m - 47}{(m + 2)(m - 7)}$

Work Step by Step

$\frac{9}{m + 2}$ + $\frac{8}{m - 7}$ = $\frac{17m - 47}{(m + 2)(m - 7)}$ Find the least common denominator. $\frac{9m - 63 + 8m + 16}{(m + 2)(m - 7)}$ = $\frac{17m - 47}{(m + 2)(m - 7)}$ Add or Subtract. $\frac{17m - 47}{(m + 2)(m - 7)}$
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