\[
\boxed{
 \left( y \left( x \right)  \right) ^{2} \left( {\frac {\rm d}{{\rm d}x}}y \left( x \right)  \right) ^{2}+2\,xy \left( x \right) {\frac {\rm d}{{\rm d}x}}y \left( x \right) +a \left( y \left( x \right)  \right) ^{2}+bx+c=0}
\]