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Math glossary

FOIL

a memory aid for multiplying two binomials: multiply the First, Outer, Inner, and Last terms, then combine like terms.

Example

(x + 2)(x + 3) = x^2 + 3x + 2x + 6 = x^2 + 5x + 6.

In Spanish

FOIL — una ayuda para multiplicar dos binomios: multiplica los términos primeros, externos, internos y últimos (en inglés, First, Outer, Inner, Last).

(x + 2)(x + 3) = x^2 + 3x + 2x + 6 = x^2 + 5x + 6.

Related words

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