# How do you simplify #(x + 2)(x - 2)#?

##### 1 Answer

May 7, 2018

#### Explanation:

Use the distributive property to multiply both terms in the first set of parenthesis by the terms in the second set:

First the

Now the

We came up with four terms:

Simplify the expression by adding the middle terms, and we get just

This is a special kind of binomial (a binomial is an expression with two terms) called a difference of squares. Since

-(

Here's more about difference of squares: https://www.mathsisfun.com/definitions/difference-of-squares.html