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: 24

Answer

$k(k^2 - 2)$

Work Step by Step

To find the LCD, or the Least Common Multiple,we must write out each denominator as products of prime factors. $k = k$ $k^2 - 2 = (k^2 - 2)$ Since there are no common factors between the denominators, the LCD, or LCM, then is $k(k^2 - 2)$
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