Answer
$\dfrac{x^2}{9}$
Work Step by Step
RECALL:
$\left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}, b\ne0$
Use the rule above to obtain:
$=\dfrac{x^2}{3^2}
\\=\dfrac{x^2}{3(3)}
\\=\dfrac{x^2}{9}$
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