Answer
$\frac{25x^{2}}{4}$
Work Step by Step
$(\frac{2x^{2}}{5x^{3}})^{-2}$
$(\frac{2}{5x})^{-2}$
$(\frac{5x}{2})^{2}$
$\frac{25x^{2}}{4}$
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