Answer
$49x^2+70x+25$
Work Step by Step
$(7x+5)^2=(7x)^2+2\cdot 5\cdot 7x+5^2=49x^2+70x+25$
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: 33
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