_______ \/ x + 5 > x
sqrt(x + 5) > x
/ ____\ | 1 \/ 21 | And|-5 <= x, x < - + ------| \ 2 2 /
(-5 <= x)∧(x < 1/2 + sqrt(21)/2)
____ 1 \/ 21 [-5, - + ------) 2 2
x in Interval.Ropen(-5, 1/2 + sqrt(21)/2)