Answer
$$c^2+8c+16$$
Work Step by Step
$$(c+4)^2 = (c+4)(c+4)$$
We can FOIL this!
$$=c*c + 4*c+c*4 + 4*4$$
$$=c^2+4c+4c+16$$
$$= c^2+8c+16$$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - 8-5 Factoring x2+bx+c - Practice and Problem-Solving Exercises - Page 517: 65
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