Answer
$(2y-11)(y+9)$
Work Step by Step
For the polynomial
$$
2y^2 +7y -99
$$
we check the factors of $ac=2(-99)=-188$. The only factors that can give the right middle term are $-11$ and $18$, as follows
$$
2y^2 +7y -99
=(2y-11)(y+9)
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 10 - Section 10.6 - Factoring General Trinomials - Exercise - Page 356: 32
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