\[ -a x-b+y(x) y''(x)+y'(x)^2=0 \] ✓ Mathematica : cpu = 0.0505581 (sec), leaf count = 63
\[\left \{\left \{y(x)\to -\sqrt {\frac {a x^3}{3}+b x^2+c_2 x+2 c_1}\right \},\left \{y(x)\to \sqrt {\frac {a x^3}{3}+b x^2+c_2 x+2 c_1}\right \}\right \}\]
✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve
dsolve(diff(diff(y(x),x),x)*y(x)+y(x)^2-a*x-b=0,y(x))