# How do you solve #2^(2x) + 2^(x + 2) - 12 = 0#?

##### 1 Answer

Oct 25, 2015

#### Explanation:

First, rearrange the equation like this:

Now, treat this like a quadratic equation by substituting

**or**

Now, go back to the substitution:

Since

However, the second solution results in

Hope that helped