______________ _________ / 2 \/ 2*x + 1 > \/ x - 2*x + 4
sqrt(2*x + 1) > sqrt(x^2 - 2*x + 4)
And(1 < x, x < 3)
(1 < x)∧(x < 3)
(1, 3)
x in Interval.open(1, 3)