\[ \left (x^2-4\right ) y'(x)+(x+2) y(x)^2-4 y(x)=0 \] ✓ Mathematica : cpu = 0.112763 (sec), leaf count = 27
\[\left \{\left \{y(x)\to \frac {2-x}{(x+2) (-\log (x+2)+c_1)}\right \}\right \}\] ✓ Maple : cpu = 0.022 (sec), leaf count = 21
\[ \left \{ y \left ( x \right ) ={\frac {x-2}{ \left ( x+2 \right ) \left ( \ln \left ( x+2 \right ) +{\it \_C1} \right ) }} \right \} \]