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March 26, 2017

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How do you factor a quartic equation such as 4x^3-24x^2-x+6. Could you break it down step by step? thank you.

  • Algebra - ,

    This is an example of "gouping"
    4x^3-24x^2-x+6
    = 4x^2(x-6) - (x-6)
    = (x-6)(x^2 - 1) , now by difference of squares
    = (x-6)(x-1)(x+1)

  • Algebra - ,

    5r-5s
    ------
    5r+ 5s

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