\[ 4 x y'(x)^3-6 y(x) y'(x)^2+3 y(x)-x=0 \] ✗ Mathematica : cpu = 3599.95 (sec), leaf count = 0 , timed out
$Aborted
✓ Maple : cpu = 0.1 (sec), leaf count = 84
\[ \left \{ y \left ( x \right ) =x,y \left ( x \right ) =-{\frac { \left ( 1+\sqrt {3} \right ) x}{2}},y \left ( x \right ) ={\frac { \left ( \sqrt {3}-1 \right ) x}{2}},y \left ( x \right ) ={\frac {1}{3\,{\it \_C1}} \left ( -\sqrt {2} \left ( {\it \_C1}+x \right ) \sqrt {{\it \_C1}\, \left ( {\it \_C1}+x \right ) }-{{\it \_C1}}^{2} \right ) },y \left ( x \right ) ={\frac {1}{3\,{\it \_C1}} \left ( \sqrt {2} \left ( {\it \_C1}+x \right ) \sqrt {{\it \_C1}\, \left ( {\it \_C1}+x \right ) }-{{\it \_C1}}^{2} \right ) } \right \} \]