x -- + 11 > 0 6 x
x/x^6 + 11 > 0
/ 4/5 \ | -11 | Or|0 < x, x < -------| \ 11 /
(0 < x)∨(x < -11^(4/5)/11)
4/5 -11 (-oo, -------) U (0, oo) 11
x in Union(Interval.open(-oo, -11^(4/5)/11), Interval.open(0, oo))