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: 28

Answer

$x^2+6x+9$

Work Step by Step

$(x+3)^2=x^2+2\cdot3\cdot x+3^2=x^2+6x+9$
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