-18 ------------- >= 0 2 (x + 4) - 10
-18/((x + 4)^2 - 10) >= 0
x0 = 0
-3 >= 0
-3 < 0
/ ____ ____ \ And\x < -4 + \/ 10 , -4 - \/ 10 < x/
(x < -4 + sqrt(10))∧(-4 - sqrt(10) < x)
____ ____ (-4 - \/ 10 , -4 + \/ 10 )
x in Interval.open(-4 - sqrt(10), -4 + sqrt(10))