# How do you solve #ln(x^2-20) = ln5#?

##### 1 Answer

Nov 30, 2015

The equation has 2 solutions:

#### Explanation:

First we have to find the possible values for

Since

Now we can solve the equation:

Since the base of the logarythm is the same on both sides we can write this equation as:

Both

**Answer:**

The equation has 2 solutions: