\[ a y'(x)^2+b y(x)^3+y(x) y''(x)=0 \] ✓ Mathematica : cpu = 1.95708 (sec), leaf count = 49
\[\left \{\left \{y(x)\to 0^{-\frac {1}{a+1}}\right \},\left \{y(x)\to 2^{\frac {1}{-2 a-3}} \left (\frac {b}{(2 a+3) c_1}\right ){}^{\frac {1}{-2 a-3}}\right \}\right \}\]
✓ Maple : cpu = 0.333 (sec), leaf count = 107
\[ \left \{ \int ^{y \left ( x \right ) }\!{ \left ( 2\,a+3 \right ) {{\it \_a}}^{2\,a}{\frac {1}{\sqrt {- \left ( 2\,a+3 \right ) {{\it \_a}}^{2\,a} \left ( 2\,{{\it \_a}}^{2\,a+3}b-{\it \_C1} \right ) }}}}{d{\it \_a}}-x-{\it \_C2}=0,\int ^{y \left ( x \right ) }\!{ \left ( -2\,a-3 \right ) {{\it \_a}}^{2\,a}{\frac {1}{\sqrt {- \left ( 2\,a+3 \right ) {{\it \_a}}^{2\,a} \left ( 2\,{{\it \_a}}^{2\,a+3}b-{\it \_C1} \right ) }}}}{d{\it \_a}}-x-{\it \_C2}=0 \right \} \]