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: