\[ x^2 (y(x)-1) y'(x)+(x-1) y(x)=0 \] ✓ Mathematica : cpu = 0.020925 (sec), leaf count = 21
\[\left \{\left \{y(x)\to -W\left (x \left (-e^{\frac {1}{x}-c_1}\right )\right )\right \}\right \}\]
✓ Maple : cpu = 0.056 (sec), leaf count = 31
\[ \left \{ y \left ( x \right ) ={{\rm e}^{{\frac {{\it \_C1}\,x+x\ln \left ( x \right ) -{\it lambertW} \left ( -x{{\rm e}^{{\it \_C1}+{x}^{-1}}} \right ) x+1}{x}}}} \right \} \]