_________ / 2*x + 2 x / ------- > ----- \/ x x + 1
sqrt((2*x + 2)/x) > x/(x + 1)
/ / 3 ___ 2/3\ \ Or\And\-oo < x, x < -2 - \/ 2 - 2 /, And(0 < x, x < oo)/
((0 < x)∧(x < oo))∨((-oo < x)∧(x < -2 - 2^(1/3) - 2^(2/3)))
3 ___ 2/3 (-oo, -2 - \/ 2 - 2 ) U (0, oo)
x in Union(Interval.open(-oo, -2 - 2^(2/3) - 2^(1/3)), Interval.open(0, oo))