# How do you factor #20r^4-45n^4#?

##### 1 Answer

Feb 27, 2017

We can factor this using the following rule:

Let

Let

Substituting gives:

Feb 27, 2017

We can factor this using the following rule:

Let

Let

Substituting gives:

341 views
around the world

You can reuse this answer

Creative Commons License

Creative Commons License