# #log_3(x+12)+log_3(x-12)=4# ?

##### 2 Answers

#### Answer:

#### Explanation:

We have:

We can combine the left side by saying:

Know that we can rewrite log questions using the following format:

So we can write out question as:

And let's expand:

And now let's test the solutions:

For

For

Therefore our solution is

#### Answer:

#### Explanation:

I have assumed that you meant

**First problem:**

You can't mix log terms and number terms, all one or all the other.

**Second problem:**

How do you write 4 as

Compare:

Condense the two log terms into one:

Now use the log law: If

However in this question,

Be sure to notice the base is 3, not 10!