Precalculus (6th Edition)

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

Chapter R - Review of Basic Concepts - Test: 10



Work Step by Step

Use the formula $(a-b)^2=a^2-2ab+b^2$ with $a=6r$ and $b=5$ to obtain: $=(6r)^2-2(6r)(5)+5^2 \\=\color{blue}{36r^2-60r+25}$
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