SOLUTION: If 9^x-1 = 7 then what is 3^2x+3 The ^'s mean exponents

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: If 9^x-1 = 7 then what is 3^2x+3 The ^'s mean exponents      Log On


   

Question 803292: If 9^x-1 = 7 then what is 3^2x+3
The ^'s mean exponents
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If 9^x-1 = 7 then what is 3^2x+3
--------------
9%5E%28x-1%29+=+7
3%5E%282x-2%29+=+7
3%5E%282x%2B3%29+=+3%5E%282x-2%29%2A3%5E5
= 243*7
= 1701