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11 July, 01:02

Which trinomial is equivalent to (3x-1) (x+4)

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  1. 11 July, 03:59
    0
    (3x - 1) (x + 4) =

    = 3x * x + 3x * 4 - 1 * x - 1 * 4 =

    = 3x^2 + 12x - x - 4 =

    = 3x^2 + 11x - 4
  2. 11 July, 04:45
    0
    Foil this out.

    first 3x*x outer

    3x*4 Inner

    -1*x last - 1*4 multiply,

    combine like terms, and you'll have your answer
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