Answer
$x^2+2x+1$
Work Step by Step
$x^2+2x+1=x^2+x+x+1=x(x+1)+1(x+1)=(x+1)^2$
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter R - Section R.5 - Factoring Polynomials - R.5 Exercises - Page 58: 139
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