Answer
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Work Step by Step
The last argument is wrong. You can't divide by $x-1$ as it is stated that $x=1$ and $x-1$ results in zero and you can't divide by zero.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 10 - Radical Functions and Equations - Monitoring Progress - Page 542: 2
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