______________ / 2 \/ x + 2*x - 8 > x - 4
sqrt(x^2 + 2*x - 8) > x - 4
Or(And(2 <= x, x < oo), And(x <= -4, -oo < x))
((2 <= x)∧(x < oo))∨((x <= -4)∧(-oo < x))
(-oo, -4] U [2, oo)
x in Union(Interval(-oo, -4), Interval(2, oo))