Answer
$-19x^2+8x $
Work Step by Step
We remove the parentheses, distribute, and then add the products as follows
$$
3x(x- 4) + 2x(1 - 5x) - 6x(2x - 3)\\
=3x^2- 12x + 2x - 10x^2 - 12x^2+18x\\
=-19x^2+8x
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Section 5.5 - Multiplication of Polynomials - Exercise - Page 226: 33
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