Answer:
x = -5
Step-by-step explanation:
(x+14)^3/2 - 15=12
Add 15 to each side
(x+14)^3/2 - 15+15=12+15
(x+14)^3/2 =27
Raise each side to the 2/3 power
(x+14)^3/2 ^2/3 =27^2/3
x+14 =9
Subtract 14 from each side
x+14-14 = 9-14
