Answer
$x^2 - 4x - 10 $
Work Step by Step
We simplify by removing the parentheses and then add the like terms as follows:
$$
(2x^2 - 5x - 2) - (x^2 - x + 8)\\
=2x^2 - 5x - 2 - x^2 + x - 8\\
=x^2 - 4x - 10
.$$
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 5.3 - Addition and Subtraction of Polynomials - Exercise - Page 221: 49
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