\[
\boxed{
4\,{x}^{2}{\frac {{\rm d}^{3}}{{\rm d}{x}^{3}}}y \left( x \right) + \left( {x}^{2}+14\,x-1 \right) {\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left( x \right) +4\, \left( 1+x \right) {\frac {\rm d}{{\rm d}x}}y \left( x \right) +2\,y \left( x \right) =0}
\]