#### Answer

3$z^{2}$-z+7

#### Work Step by Step

-(-3$z^{2}$+z-7)=3$z^{2}$-z+7
Use the distributive property to distribute the negative sign to the terms within the parenthesis.

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

3$z^{2}$-z+7

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