Answer
$x^2+10x+25$
Work Step by Step
$(x+5)^2=(x+5)(x+5)=x^2+2\cdot x\cdot 5+5^2=x^2+10x+25$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set - Page 717: 27
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