Answer
$2+2x-3x^2$
Work Step by Step
We simplify by removing the parentheses and then add the like terms as follows:
$$
(1 - 3x - 2x^2) -(-1 - 5x+ x^2)\\
=1 - 3x - 2x^2 +1 + 5x- x^2\\
=2+2x-3x^2
.$$
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: 40
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