Answer
$= 9x^{2}$
Work Step by Step
Recall the following rule:
$x^{a}x^{b}=x^{a+b}$
Thus, we obtain:
$9 \times x \times x$
$= 9 \times x^{1+1}$
$= 9x^{2}$
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: 41
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