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