# How do you solve #3^(x+1) + 3^x = 36#?

##### 1 Answer

#### Explanation:

First we to need to know a property of exponents with more than 1 term:

Applying this, you can see that:

As you can see, we can factor out

And now we rearrange so any term with x is on one side:

It's should be easy to see what

In logarithms, there is a root which states:

And if you type it into your calculator you'll get