Answer
$$(6x-5)(2x-3).$$
Work Step by Step
For the polynomial
$$
12x^2-28x+15
$$
we check the factors of $ac=12(15)=180$. The only factors that can give the right middle term are $-10$ and $-18$, as follows
$$12x^2-28x+15 =(6x-5)(2x-3).$$
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: 5
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