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Algebra 2

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How do you use the FOIL method if there is only one set of parenthesis...
Because you use distributive property with 2 sets

  • Algebra 2 - ,

    The FOIL "method" refers specifically to the multiplication of two binomials

    e.g. (2x+3)(4x-1)
    F : first times first -- 8x^2
    O : the outsiders -- -2x
    I : insiders -- 12x
    L : the lasts -- -3

    when you have a monomial times a binomial

    e.g.
    3x(2x+5y)
    just use the distributive property
    = 6x^2 + 15xy

    in effect you are using the distributive property when you are doing the FOIL thing

    (2x+3)(4x-1)
    = 2x(4x - 1) + 3(4x - 1)
    = 8x^2 - 2x + 12x - 3
    = ...

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