Answer:
3
Step-by-step explanation:
Here's the rundown of values:
12=9
9=6
6=3
3rd value=3
*The values are created through going through the numerical process.
x = 7.07 or 4.925
3(x-6)^4+11=15
3(x-6)^4=15-11
(x-6)^4=4/3
x-6 = + or -
x= + +6 or - +6
Answer: I got 2/9 but im not sure if its right