Answer
$y^2+3y-28$
Work Step by Step
By using the FOIL method, we have
$$
(y+7)(y-4)=y^2+(7y-4y)-28=y^2+3y-28
$$
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: 3
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