Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 10 - Radical Expressions and Equations - 10-2 Simplifying Radicals - Practice and Problem-Solving Exercises - Page 624: 71


$n=\pm \sqrt 5 +1$

Work Step by Step

$n^2-2n+1=5$ $(n-1)^2=5$ $n-1=\pm \sqrt 5$ $n=\pm \sqrt 5 +1$
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