[_rational, [_1st_order, `_with_symmetry_[F(x),G(x)]`], _Riccati]
Book solution method
Riccati ODE, Generalized ODE
Mathematica ✓
cpu = 0.0137807 (sec), leaf count = 22
Maple ✓
cpu = 0.02 (sec), leaf count = 27
DSolve[(1 - 2*x)*x*y'[x] == 4*x - (1 + 4*x)*y[x] + y[x]^2,y[x],x]
Mathematica raw output
{{y[x] -> 1 + (x*(-1 + 2*x))/(x - C[1])}}
Maple raw input
dsolve(x*(1-2*x)*diff(y(x),x) = 4*x-(1+4*x)*y(x)+y(x)^2, y(x),'implicit')
Maple raw output
((-x+_C1)*y(x)+2*x^2-_C1)/(y(x)-1) = 0