y'(x)=\frac{-\frac{1}{32} x^3 y(x)^3+\frac{1}{16} x^2 y(x)^3+\frac{3}{16} x^2 y(x)^2-\frac{1}{2} x y(x)^3+\frac{y(x)^3}{4}-\frac{1}{4} x y(x)^2-\frac{3}{8} x y(x)+\frac{y(x)}{4}+\frac{1}{4}}{x y(x)}