x - 3 x - 4 ----- > ----- x - 4 x - 3
(x - 3)/(x - 4) > (x - 4)/(x - 3)
Or(And(3 < x, x < 7/2), And(4 < x, x < oo))
((3 < x)∧(x < 7/2))∨((4 < x)∧(x < oo))
(3, 7/2) U (4, oo)
x in Union(Interval.open(3, 7/2), Interval.open(4, oo))