Answer
$y^2+16y+64$
Work Step by Step
RECALL:
$(a+b)^2a^2+2ab+b^2$
Use the formula above to have:
$(y+8)^2
\\=y^2 + 2(y)(8) + 8^2
\\=y^2+16y+64$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Section 10.4 - Special Products - Exercise - Page 352: 10
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