Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter R - Algebra Reference - R.2 Factoring - R.2 Exercises - Page R-8: 25



Work Step by Step

RECALL: $a^2 + 2ab + b^2=(a+b)^2$ The given trinomial can be written as: $=z^2 + 2(z)(7y) + (7y)^2$ Factor the trinomial using the formula above with $a=z$ and $b=7y$ to have: $=(z+7y)^2$
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