\[ -\text {f0}(x)-\text {f1}(x) y(x)-\text {f2}(x) y(x)^2-\text {f3}(x) y(x)^3+y'(x)=0 \] ✗ Mathematica : cpu = 300.125 (sec), leaf count = 0 , timed out
$Aborted
✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve
dsolve(diff(y(x),x)-f3(x)*y(x)^3-f2(x)*y(x)^2-f1(x)*y(x)-f0(x) = 0,y(x))