Frequent Questions about our Solver

The problem

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I am trying to use the foil method

Answer provided by our tutors

FOIL is simply a mnemonic designed to aid in the multiplication of monomials and has no real mathematical basis. During the multiplication of monomials, what is taking place correlates to the "distributive property", not anything named FOIL.

Clicking on a particular solution step provides a clear description of the logic:

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