Answer
$-8x^2$
Work Step by Step
RECALL:
The distributive property states that for any real numbers $a, b$, and $c$,
$ac+bc=(a+b)c$
Use the rule above to obtain:
$=(3-7-4)x^2
\\=(-4-4)x^2
\\=-8x^2$
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 75: 53
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