Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.3 - Multiplying Polynomials - Exercise Set: 34

Answer

$25x^2+90x+81$

Work Step by Step

$(5x+9)^2=(5x)^2+2\cdot9\cdot 5x+9^2=25x^2+90x+81$
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