FOIL Method Definition (Illustrated Mathematics Dictionary)

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ABCDEFGHIJKLMNOPQRSTUVWXYZ Definition of FOIL Method more ...

A handy way to remember how to multiply two binomials.

It stands for "First, Outer, Inner, Last"

It is the sum of: · multiplying the First terms, · multiplying the Outer terms, · multiplying the Inner terms, and · multiplying the Last terms

Example: (a+b)(c+d) = ac + ad + bc + bd