FOIL Calculator
(ax + b)(cx + d)
First Binomial
(x +
)
Second Binomial
(x +
)
FOIL Method Steps
How to Use
- Enter the coefficients for both binomials
- Click "Multiply Using FOIL" to see the step-by-step solution
- View the final expanded form
About the FOIL Method
FOIL stands for:
- First: Multiply the first terms
- Outer: Multiply the outer terms
- Inner: Multiply the inner terms
- Last: Multiply the last terms
Then combine like terms to get the final result.
Common Examples
| Binomials | FOIL Result |
|---|---|
| (x + 2)(x + 3) | x² + 5x + 6 |
| (x - 4)(x + 2) | x² - 2x - 8 |
| (2x + 1)(x + 3) | 2x² + 7x + 3 |
Applications
- Polynomial multiplication
- Quadratic equation solving
- Algebraic expression simplification
- Mathematical modeling
- Engineering calculations
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