______________________ / 3 2 _______ \/ x - 7*x + 13*x + 6 \/ 6 - x < ------------------------- _______ \/ x + 1
sqrt(6 - x) < sqrt(13*x + x^3 - 7*x^2 + 6)/sqrt(x + 1)
Or(And(x <= 6, 4 < x), And(0 < x, x < 2))
((x <= 6)∧(4 < x))∨((0 < x)∧(x < 2))
(0, 2) U (4, 6]
x in Union(Interval.open(0, 2), Interval.Lopen(4, 6))