Answer
$4(x+7)(x-13)$
Work Step by Step
Taking a common monomial factor, we get
$$4x^2-24x-364=4(x^2-6x-91).$$
Since $7$ and $-13$ are factors and satisfy $7-13=-6$ and $7(-13)=-91$, we have
$$
4(x^2-6x-91)=4(x+7)(x-13)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Review - Page 358: 29
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