Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 14 - Sequences, Series, and the Binomial Theorem - 14.4 The Binomial Theorem - 14.4 Exercise Set: 2

Answer

Expansion

Work Step by Step

The expression $x^2+2xy+y^2$ is the expansion of $(x+y)^2$. We open up the brackets during the expansion.
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