2 x 11*x - 4/5 >= -- 2
11*x - 4/5 >= x^2/2
/ ______ ______ \ | \/ 2985 \/ 2985 | And|x <= 11 + --------, 11 - -------- <= x| \ 5 5 /
(x <= 11 + sqrt(2985)/5)∧(11 - sqrt(2985)/5 <= x)
______ ______ \/ 2985 \/ 2985 [11 - --------, 11 + --------] 5 5
x in Interval(11 - sqrt(2985)/5, sqrt(2985)/5 + 11)