Respuesta :
Answer:
9
Step-by-step explanation:
Plug the numbers in
The result for each number when plugged in order is:
121
81
0
9
49
So 9 would be the answer
Answer:
9
Step-by-step explanation:
If (x-2)^2=49 then x could be 9.
(x-2)^2 = 49
x or 9 - 2 = 7
7^2 = 49