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FOIL

Revision as of 12:52, 27 October 2007 by Temperal (talk | contribs) (category)

FOIL, standing for first, outside, inside, last, is a mnemonic device for remembering the distributive property when two binomials are multiplied.

\[(a+b)(c+d) = ac + ad + bc + bd\]

See also

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