\[
\boxed{
 \left( y \left( x \right)  \right) ^{2} \left( {\frac {\rm d}{{\rm d}x}}y \left( x \right)  \right) ^{2}-6\,{x}^{3}{\frac {\rm d}{{\rm d}x}}y \left( x \right) +4\,{x}^{2}y \left( x \right) =0}
\]