 # Binomial Multiplication (FOIL) Calculator

## Enter 2 Binomials to perform FOIL multiplication:

Note: For multiple variable expressions, use our Expand Calculator
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### How does the Binomial Multiplication (FOIL) Calculator work?

Multiplies out the product of 2 binomials in the form (a + b)(c + d) with 1 unknown variable.
This utilizes the First-Outside-Inside-Last (F.O.I.L.) method.
This calculator has 2 inputs.

### What 2 formulas are used for the Binomial Multiplication (FOIL) Calculator?

1. FOIL = First, Outside, Inside, Last. Multiply the first terms together, then the outside terms together, then the inside terms together, then the last term together.
2. (a + b)(c + d) = ab + ad + bc + bd

For more math formulas, check out our Formula Dossier

### What 5 concepts are covered in the Binomial Multiplication (FOIL) Calculator?

FOIL
First Outside Inside Last - A method for multiplying two binomials
binomial
Polynomial which is the sum of two monomials
binomial multiplication (foil)
multiplication
math operation involving the product of elements
variable
Alphabetic character representing a number