✗ Mathematica : cpu = 300.185 (sec), leaf count = 0
DSolve[y[x] + (-3*x + y[x])*Derivative[1][y][x] + x*Derivative[1][y][x]^2 == 0,y[x],x]
, timed out
$Aborted
✓ Maple : cpu = 0.08 (sec), leaf count = 136
dsolve(x*diff(y(x),x)^2+(y(x)-3*x)*diff(y(x),x)+y(x) = 0,y(x))