Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - Chapter R Test Prep - Review Exercises - Page 83: 58



Work Step by Step

RECALL: $(x-y)^2=x^2-2xy+y^2$ Use the formula above with $x=4a$ and $y=3b$ to obtain: $=(4a)^2-2(4a)(3b) + (3b)^2 \\=\color{blue}{16a^2-24ab+9b^2}$
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