Answer
$-4x^2-32x+10$
Work Step by Step
We remove the parentheses, distribute, and then add the products as follows
$$
x(x - 2) - 3x(x + 8)- 2(x^2+ 3x - 5)\\
=x^2-2x-3x^2-24x-2x^2-6x+10\\
=-4x^2-32x+10
.$$
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: 34
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