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Math Help - what a re the roots of the equation x^3-4x^+x-2?

  1. #1
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    what a re the roots of the equation x^3-4x^+x-2?

    I want to solve the equation given below:

    x^3-4x^2+x-2=0
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  2. #2
    MHF Contributor harish21's Avatar
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    Quote Originally Posted by anuja View Post
    I want to solve the equation given below:

    x^3-4x^2+x-2=0
    Anuja,

    This equation {x^3}-{4x^2}+x-2=0 has complex roots

    Here's the link:

    x^3-4x^2+x-2=0 - Wolfram|Alpha

    --Harish
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  3. #3
    Super Member Bacterius's Avatar
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    Hello,
    this is a cubic equation. To solve it algebraically, you need to apply some (fairly complex) methods. Here is one : Cardano's Method.
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  4. #4
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    This equation has actually one real root approximately 3.875 and two complex roots.
    Attached Thumbnails Attached Thumbnails what a re the roots of the equation x^3-4x^+x-2?-1root.gif  
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