Multiply Binomial


FOIL is a mnemonic for the standard method of multiplying two binomials – hence the method may be referred to as the FOIL method.

Calculator of Multiply Binomial

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Formula Multiply Binomial (FOIL method)

Formula Multiply Binomial (FOIL method)

The word FOIL is an acronym for the four terms of the product:

  • First (“first” terms of each binomial are multiplied together)
  • Outer (“outside” terms are multiplied – that is, the first term of the first binomial and the second term of the second)
  • Inner (“inside” terms are multiplied – the second term of the first binomial and first term of the second)
  • Last (“last” terms of each binomial are multiplied)
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