x ----- > 0 x + 6
x/(x + 6) > 0
(-oo, -6) U (0, oo)
x in Union(Interval.open(-oo, -6), Interval.open(0, oo))
Or(And(-oo < x, x < -6), And(0 < x, x < oo))
((-oo < x)∧(x < -6))∨((0 < x)∧(x < oo))