# How do you solve #x^4-12x^2+11<0#?

##### 1 Answer

Oct 3, 2016

Let's replace

#### Explanation:

Then we first solve for

There are now four solutions:

We'll have to examine what happens between and outside those points.

If we take any value between

**Conclusion:**

graph{x^4-12x^2+11 [-52.03, 52.04, -26, 26]}