Answer
$n=\pm \sqrt 5 +1$
Work Step by Step
$n^2-2n+1=5$
$(n-1)^2=5$
$n-1=\pm \sqrt 5$
$n=\pm \sqrt 5 +1$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
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
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