\[ 2 y(x) y''(x)-3 y'(x)^2=0 \] ✓ Mathematica : cpu = 0.105101 (sec), leaf count = 16
\[\left \{\left \{y(x)\to \frac {c_2}{(x+2 c_1){}^2}\right \}\right \}\] ✓ Maple : cpu = 0.956 (sec), leaf count = 13
\[y \relax (x ) = \frac {4}{\left (c_{1} x +c_{2}\right )^{2}}\]