Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 9 - Roots and Radicals - 9.5 - Solving Radical Equations - Problem Set 9.5 - Page 425: 50


The answer is below.

Work Step by Step

This is a trick question, for it is not significant until the equation is checked into the original solution. After all, because the square root of a negative number is not allowed, the solution x = -a is not a valid solution.
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