\[ \left (x^2-4\right ) y'(x)+(x+2) y(x)^2-4 y(x)=0 \] ✓ Mathematica : cpu = 0.0212257 (sec), leaf count = 27
\[\left \{\left \{y(x)\to \frac {2-x}{(x+2) \left (c_1-\log (x+2)\right )}\right \}\right \}\]
✓ Maple : cpu = 0.028 (sec), leaf count = 29
\[ \left \{ y \left ( x \right ) ={\frac {x-2}{\ln \left ( x+2 \right ) x+{\it \_C1}\,x+2\,\ln \left ( x+2 \right ) +2\,{\it \_C1}}} \right \} \]