\[ -a x-b+y(x) y''(x)+y'(x)^2=0 \] ✓ Mathematica : cpu = 0.0317402 (sec), leaf count = 72
DSolve[-b - a*x + Derivative[1][y][x]^2 + y[x]*Derivative[2][y][x] == 0,y[x],x]
\[\left \{\left \{y(x)\to -\frac {\sqrt {a x^3+3 b x^2+3 c_2 x+6 c_1}}{\sqrt {3}}\right \},\left \{y(x)\to \frac {\sqrt {a x^3+3 b x^2+3 c_2 x+6 c_1}}{\sqrt {3}}\right \}\right \}\] ✗ Maple : cpu = 0. (sec), leaf count = 0
dsolve(diff(diff(y(x),x),x)*y(x)+y(x)^2-a*x-b=0,y(x))
, could not solve
dsolve(diff(diff(y(x),x),x)*y(x)+y(x)^2-a*x-b=0,y(x))