Another Pre-Calculus Question

[x(x^2 +4)(x-3)]/[(x-1)(x+1)>0

a) (-infinity, -2)U(-1,0)U(1,2)U(3,infinity) b) (-1,0)U(1,3) c) (-infinity, -2)U(0,2)U(3,infinity) d) (-infinity, 0)U(3,infinity) e) (-infinity,-1)U(0,1)U(3,infinity)