_________ _______ \/ 2*x + 3 > \/ 1 - x
sqrt(2*x + 3) > sqrt(1 - x)
(-2/3, 1]
x in Interval.Lopen(-2/3, 1)
And(x <= 1, -2/3 < x)
(x <= 1)∧(-2/3 < x)