2 36 - 16*y
36 - 16*y^2
1*(x + 3/2)*(x - 3/2)
(1*(x + 3/2))*(x - 3/2)
36.0 - 16.0*y^2
-4*(-3 + 2*y)*(3 + 2*y)
/ 2\ 4*\9 - 4*y /
4*(9 - 4*y^2)