College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Exercise Set 1.5 - Page 160: 21



Work Step by Step

$(x+2)^{2}=25$ $x+2=5$ $x+2=-5$ $x=-7,3$ Take the square root of both sides. Then isolate $x$ from both of the resulting equations to get two answers.
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