Answer
$(5y+3)(3y-2)$
Work Step by Step
For the polynomial
$$
15y^2 -y -6
$$
we check the factors of $ac=15(-6)=-90$. The only factors that can give the right middle term are $-10$ and $9$, as follows
$$
15y^2 -y -6 =(5y+3)(3y-2)
.$$
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: 13
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