Answer
$x^{8}$
Work Step by Step
$\frac{(x^{2})^{8}x}{x^{9}}=\frac{x^{2\times8}\times x}{x^{9}}=\frac{x^{16}\times x}{x^{9}}=\frac{x^{16+1}}{x^{9}}=\frac{x^{17}}{x^{9}}=x^{17-9}=x^{8}$
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