Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.4 - Polynomials - Exercise Set: 43

Answer

$4x^2+12x+9$

Work Step by Step

RECALL: $(a+b)^2=a^2+2ab+b^2$ Use the formula above with $a=2x$ and $b=3$ to obtain: $=(2x)^2+2(2x)(3) + 3^2 \\=4x^2+12x+9$
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