# How do you expand #(6y^4-1)^2#?

##### 2 Answers

Jun 13, 2018

#### Explanation:

Note that:

now lets expand

Jun 13, 2018

#### Explanation:

The square of a sum can be expanded as

Which means that you have to square both terms, and add twice their product.

The two terms are

Their product is

Now we only need to sum everything together to get