Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Section 5.3 - Special Products - Exercise Set - Page 367: 45

Answer

$x^2+4x+4$

Work Step by Step

Using $(a+b)^2=a^2+2ab+b^2$ or the square of a binomial, the square of the given expression, $ (x+2)^2 ,$ is \begin{array}{l}\require{cancel} (x)^2+2(x)(2)+(2)^2 \\\\= x^2+4x+4 .\end{array}
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