Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.8 - Solving Equations by Factoring and Problem Solving - Exercise Set: 23

Answer

{-1, -1/6, 1}

Work Step by Step

1. Make sure all factors are fully factored. $x^{2}$ - 1 = (x + 1)(x - 1) 2. Apply the zero factor property. a) x + 1 = 0 b) x - 1 = 0 c) 6x + 1 = 0 3. Solve each linear equation. a) x = -1 b) x = 1 c) x = -1/6 The solutions are {-1, -1/6, 1}.
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