Question

How do you solve 3^2x=81

Answer 1

Answer:

x=ln(81) over 2ln(3)

Step-by-step explanation:

Using ln as its base thing instead of log and the formula usually is log over log. Plus you have to bring down the power that way.

Answer 2

Answer:

x=2

Step-by-step explanation:

3^2x = 81

3^2x = 3^4

Compare powers

2x = 4

x = 2