Need help in polynome calculation

Discussion in 'Homework Help' started by JJCXD, Oct 4, 2016.

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Need help in polynome calculation
  1. Unread #1 - Oct 4, 2016 at 1:37 PM
  2. JJCXD
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    JJCXD Newcomer

    Need help in polynome calculation
    4x(3x-2)-5x(2x-4)=2x^2+7

    I need to find out the "x" value
     
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  3. Unread #2 - Oct 4, 2016 at 6:15 PM
  4. Program
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    Need help in polynome calculation
    Correct me if I'm retarded, but wouldn't it be something like this?

    4x(3x-2) - 5x(2x-4) = 2x^2 + 7
    12x^2 - 8x - 10x^2 + 20x = 2x^2 + 7
    2x^2 + 12x = 2x^2 + 7
    12x = 7
    x = 7/12
     
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    Last edited: Oct 4, 2016
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