Expand the square: 4(x-11)^ =25
4(x-11)(x-11)=25
Distribute : 4(x-11)(x-11)=25
4(x(x-11)-11(x-11))=25
Distribute: 4(x(x-11)-11(x-11))=25
4(x^-11x-11(x-11))=25
Solution: x=17/2
x=27/2
hope that helps
C
the explanation is in the photo
Answer:
19683
Step-by-step explanation:
As the formula of the geometric sequence:

In the sequence of 1, 3, 9..., you have a1 = 1 and r = 3. Therefore:

Hope this helps!