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: 57

Answer

$\color{blue}{9k^2-30km+25m^2}$

Work Step by Step

RECALL: $(a-b)^2=a^2-2ab+b^2$ Use the formula above with $a=3k$ and $b=5m$ to obtain: $=(3k)^2-2(3k)(5m) + (5m)^2 \\=\color{blue}{9k^2-30km+25m^2}$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.