# Solving for x

• January 21st 2011, 07:14 AM
BakyX
Solving for x
Hello..

How to solve this equation for "x". Is it possible ? THX. Wolfram doesn't give answer.

$x^n+x=1$

Thx for help
• January 21st 2011, 08:16 AM
ahaok
Quote:

Originally Posted by BakyX
Hello..

How to solve this equation for "x". Is it possible ? THX. Wolfram doesn't give answer.

$x^n+x=1$

Thx for help

It depends on "n".

But you can generally say:
if n is uneven: there is only 0ne Root since f '(x) always stays positive.