# How do you factor #16x^2-1#?

##### 3 Answers

Jun 1, 2016

#### Answer:

#### Explanation:

Both 16 and 1 are squares. This suggests using the formula for the difference of squares.

Jun 1, 2016

#### Answer:

#### Explanation:

As such it can be factorized as

Jun 1, 2016

#### Answer:

You factor it as a difference of two squares.

#### Explanation:

Every time you have a difference in the format of

Then you have to identify if your quantity is the difference of two squared quantities.

It is. In fact we can write it as:

Then we can apply our rule

and these are your factors.