__________ \/ 2*x + 15 < x - 4
sqrt(2*x + 15) < x - 4
___ (5 + 2*\/ 6 , oo)
x in Interval.open(2*sqrt(6) + 5, oo)
/ ___ \ And\x < oo, 5 + 2*\/ 6 < x/
(x < oo)∧(5 + 2*sqrt(6) < x)