Answer
$x^2-8x+16$
Work Step by Step
$$(x-4)^2$$ $$=(x-4)(x-4)$$ $$=(x\times x)+(x\times (-4))+(-4\times x)+(-4\times (-4))$$ $$=x^2-4x-4x+16$$ $$=x^2-8x+16$$
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.4 - Page 61: 46
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