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: 45

Answer

The answer is below.

Work Step by Step

While all of her steps are allowed, she has not chosen the correct selection of steps. Rather, during the first step, she should have subtracted by three on each side and then squared both sides of the equation. Had she done this, she would have no square roots left in the equation and thus could solve as normal.
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