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

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• April 5th 2010, 05:15 PM
anuja
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
• April 5th 2010, 05:21 PM
harish21
Quote:

Originally Posted by anuja
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&#x5e;3-4x&#x5e;2&#x2b;x-2&#x3d;0 - Wolfram|Alpha

--Harish
• April 5th 2010, 05:57 PM
Bacterius
Hello,
this is a cubic equation. To solve it algebraically, you need to apply some (fairly complex) methods. Here is one : Cardano's Method.
• April 6th 2010, 12:36 AM
ICanFly
This equation has actually one real root approximately 3.875 and two complex roots.