Answer
$x^2+8x+16$
Work Step by Step
A binomial squared is equal to the square of the first term plus or minus twice the product of both terms plus the square of the second term.
$(a + b)^2 = a^2 + 2ab + b^2$
$(x+4)^2=x^2+2(x)(4)+4^2=x^2+8x+16$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.6 - Integrated Review - Exponents and Operations on Polynomials - Page 391: 25
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