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