Posted by Cole on Saturday, February 23, 2013 at 6:02pm.
4x^3 + 3x^2y + x^3 y' + 8y y' = 0 y'(x^3 + 8y) = -x^2 (4x+3y) y' = -x^2 (4x+3y) / (x^3 + 8y) do the other likewise and simplify