Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 134: 29



Work Step by Step

Both terms have at least a factor of $u^2$ shared, so that can be factored out. $3$ and $12$ have a shared factors of $3$, so $3$ can also get factored out. That means that $3u^2$ can be factored out to get $3u^2(u^5+4)$, since $u^5(u^2)=u^7$ upon distribution.
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