Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.6 Other Types of Equations and Applications - 1.6 Exercises - Page 145: 2



Work Step by Step

Numbers that make the denominator equal to zero are not allowed since they make the expression undefined. Thus, proposed solutions that make the denominator equal to zero must be excluded from a rational equation's solution set. Thus, the missing expression in the given statement is: $\color{blue}{\text{zero}}$
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