Solve x^3 + 3x^2 +9x + 3 = 0

[marlon]

Can anyone solve the following equation ?

x^3 + 3x^2 +9x + 3 = 0

I don't find it


regards
marlon

 

[Muzza]

It doesn't appear to have any integer solutions, so you'll probably have to use the ugly cubic formula to get a (non-approximated) answer.

http://www.math.vanderbilt.edu/~schectex/courses/cubic/

 

[marlon]

It doesn't appear to have any integer solutions, so you'll probably have to use the ugly cubic formula to get a (non-approximated) answer.

http://www.math.vanderbilt.edu/~schectex/courses/cubic/

OK? THANKS A LOT

marlon

 

[gazzo]

-1.312+2.5087i
-1.312-2.5087i
-0.374

=)