Answer
$(2x+1)(x-4)$
Work Step by Step
Checking the factors of $ac=2*-4=-8$, we find that the only factors that give $-7$ are $1$ and $-8$ as follows
$$
2x^2 - 7x - 4=(2x+1)(x-4)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Cumulative Review - Page 359: 30
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