Evaluate:

ddxln((7x4)83x25x+164)\displaystyle \frac{{d}}{{{\left.{d}{x}\right.}}}{\ln{{\left(\frac{{{\left({7}{x}-{4}\right)}^{{{8}}}}}{{{\sqrt[{{4}}]{{{3}{x}^{{2}}-{5}{x}+{16}}}}}}\right)}}} =