Answer
$-54x^8$
Work Step by Step
RECALL:
$a^m \cdot a^n = a^{m+n}$
Use the rule above to obtain:
$=(-6 \cdot 9)(x^{3+5})
\\=-54x^8$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set - Page 230: 14
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