Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix A - Exercise Set: 39

Answer

$x^{2}+8x+16$

Work Step by Step

Using the square of the binomial $(a+b)^{2}=a^{2}+2ab+b^{2}$, $(x+4)^{2}=x^{2}+2(x)(4)+4^{2}=x^{2}+8x+16$.
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