Answer
$4x^2-64$
Work Step by Step
This is a product of the sum and difference of two terms, so we have
$$
(2x-8)(2x+8)=(2x)^2-8^2=4x^2-64
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Test - Page 358: 3
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