Find the product and express as a simplified rational expression:

$\displaystyle\frac{{{{x}}^{{4}}-{25}}}{{{5}{x}}}\cdot\frac{{{10}{{x}}^{{2}}}}{{{3}{\left({{x}}^{{2}}+{5}\right)}}}\usepackage{cmbright}\Huge\$ , $\displaystyle{x}\ne{0}\usepackage{cmbright}\Huge\$