Answer
$= 102$
Work Step by Step
We plug in $a =-3 $ and $b =-5 $ to obtain:
$-a^{3} + 3b^{2}$
$= -(-3)^{3} + 3(-5)^{2}$
$= -(-27) + 3(25)$
$= 27 + 75$
$= 102$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 2 - Real Numbers - 2.4 - Exponents - Problem Set 2.4 - Page 76: 104
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