Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.4 - Multiplying Polynomials - Exercise Set - Page 289: 29



Work Step by Step

Using the special product on squaring binomials, $(a+b)^2=a^2+2(a)(b)+b^2$, the given expression simplifies to \begin{align*} & (x+4)^2 \\\\&= x^2+2(x)(4)+4^2 \\\\&= x^2+8x+16 .\end{align*}
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