\[ y'(x)=\frac {1}{36} \sqrt {x} \left (-12 x^3 y(x)+x^6+18 x^{3/2}+36 y(x)^2\right ) \] ✓ Mathematica : cpu = 0.106233 (sec), leaf count = 27
\[\left \{\left \{y(x)\to \frac {x^3}{6}+\frac {1}{-\frac {2 x^{3/2}}{3}+c_1}\right \}\right \}\] ✓ Maple : cpu = 0.127 (sec), leaf count = 19
\[ \left \{ y \left ( x \right ) ={\frac {{x}^{3}}{6}}+ \left ( {\it \_C1}-{\frac {2}{3}{x}^{{\frac {3}{2}}}} \right ) ^{-1} \right \} \]