Answer
The side length of the painting is $s=(9p+5)$
Work Step by Step
$81p^2+90p+25$
$=(9p)^2+2.9p.5+5^2$
$=(9p+5)^2$
The side length of the painting is $s=(9p+5)$.
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 8 - Polynomials and Factoring - Chapter Test - Page 539: 25
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