\[ \left (x^2-4\right ) y'(x)+(x+2) y(x)^2-4 y(x)=0 \] ✓ Mathematica : cpu = 0.139202 (sec), leaf count = 27
\[\left \{\left \{y(x)\to \frac {2-x}{(x+2) (-\log (x+2)+c_1)}\right \}\right \}\] ✓ Maple : cpu = 0.03 (sec), leaf count = 21
\[\left \{y \left (x \right ) = \frac {x -2}{\left (c_{1}+\ln \left (x +2\right )\right ) \left (x +2\right )}\right \}\]