_________ _________ _______ \/ 9*x - 1 - \/ 2*x + 1 < \/ x + 3
-sqrt(2*x + 1) + sqrt(9*x - 1) < sqrt(x + 3)
/ _____\ | 11 \/ 393 | And|1/9 <= x, x < -- + -------| \ 7 14 /
(1/9 <= x)∧(x < 11/7 + sqrt(393)/14)
_____ 11 \/ 393 [1/9, -- + -------) 7 14
x in Interval.Ropen(1/9, sqrt(393)/14 + 11/7)