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 - Page 675: 21



Work Step by Step

To find the LCD, or the Least Common Multiple,we must write out each denominator as products of prime factors. $5 = 5$ $x+2 = x+2$ Since there are no common factors, the Least Common Multiple, or LCD, then is $5(x+2)$.
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