3 2 x - x > 6*x
x^3 - x^2 > 6*x
Or(And(-2 < x, x < 0), And(3 < x, x < oo))
((-2 < x)∧(x < 0))∨((3 < x)∧(x < oo))
(-2, 0) U (3, oo)
x in Union(Interval.open(-2, 0), Interval.open(3, oo))