Find the first derivative with respect to x\displaystyle {x}. Enter your answer without fractional or negative exponents.

14x314y917y=5\displaystyle {14}{x}^{{3}}-{14}{y}^{{9}}-{17}{y}={5}

dydx=\displaystyle \frac{{\left.{d}{y}\right.}}{{\left.{d}{x}\right.}}=