There are not any real solutions. A simple graph of the function will show this.

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- November 10th 2010, 03:31 PM #1

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- November 10th 2010, 03:40 PM #2

- November 10th 2010, 03:50 PM #3

- November 10th 2010, 03:52 PM #4

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I know that there is no real solutions, but that equation have 4 complex solutions x^4+x^3+x^2+x+1 = 0 - Wolfram|Alpha

- November 10th 2010, 03:55 PM #5

- November 10th 2010, 03:59 PM #6