Question

Which of the following expressions is equivalent to 3^2x − 3?

9^x/27
6^x/27
2^x/3
1^x/9

Answer 1

Explanation:

I will assume you MEANT 3^(2x-3) and you just forgot the parentheses...

= 3^2x * 3 ^(-3)

= (3^2)^x / 3^3

= 9^x / 27