# How do I factor #8x^3-1# completely?

##### 2 Answers

Jul 26, 2015

#### Answer:

Factor 8x^3 - 1

#### Explanation:

Algebraic identity:

Jul 26, 2015

#### Answer:

You use the formula for the *difference of perfect cubes*.

#### Explanation:

All you really have to do in order to factor this expression completely is use the formula for the *difference of two perfect cubes*

You can rewrite the original expression as

This will get you

The quadratic *complex numbers*, which I'm not sure you're supposed to use.