Answer
$-y^2 - 5y -4$
Work Step by Step
We simplify by removing the parentheses and then add the like terms as follows:
$$
(y^2 - 2y +1)- (2y^2+ 3y + 5)\\
=y^2 - 2y +1- 2y^2- 3y -5\\
=-y^2 - 5y -4
.$$
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: 48
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