# How do you multiply #(3x +2) (3x - 2)#?

##### 1 Answer

Mar 24, 2018

#### Answer:

You must distribute the values.

#### Explanation:

There is a method for this called FOIL. The means First, Outer, Inner, Last.

First-Multiply the first terms in each binomial, meaning

Outer-Multiply the first term of the first binomial by the outermost term, meaning

Inner-Multiply the innermost terms, so

Last-The last terms of each binomial, multiplied, which is

Combine the remaining results, which are just

You can check an answer such as this one by substituting an x value and seeing if the expressions are equal.