Answer
$5z^2-6z-11$
Work Step by Step
We simplify by removing the parentheses and then add the like terms as follows:
$$
(3 - 5z + 3z^2) - (14+ z - 2z^2)\\
=3 - 5z + 3z^2- 14- z + 2z^2\\
=5z^2-6z-11
.$$
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: 50
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