\[ x^3+y(x) y'(x)+y(x)=0 \] ✗ Mathematica : cpu = 2.08955 (sec), leaf count = 0 , could not solve
DSolve[x^3 + y[x] + y[x]*Derivative[1][y][x] == 0, y[x], x]
✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve
dsolve(y(x)*diff(y(x),x)+y(x)+x^3 = 0,y(x))