# What is FOIL?

##### 1 Answer

Mar 20, 2018

It's a rule.

#### Explanation:

It's a rule commonly used in factoring, meaning to start by multiplying the two first variables first, then outer, then inner, then last.

Ex:

If the things being multiplied is (x+1) by (x-2), you would multiply "x" and "x" first.

The final answer would be: