2 x 11*x - 4 -- > -------- 2 5
x^2/2 > (11*x - 4)/5
Or(And(-oo < x, x < 2/5), And(4 < x, x < oo))
((-oo < x)∧(x < 2/5))∨((4 < x)∧(x < oo))
(-oo, 2/5) U (4, oo)
x in Union(Interval.open(-oo, 2/5), Interval.open(4, oo))