# Math Help - Please solve for x

1. ## Please solve for x

Hello,

Please help solve this equation for x:

I tried taking logs, but it didn't seem to help that much. Thanks!

- Mark

2. Originally Posted by djsnare
Hello,

Please help solve this equation for x:

I tried taking logs, but it didn't seem to help that much. Thanks!

- Mark
Where has this equation come from?

3. It came from the formula for the present value of a bond:

I would like to be able to express x as a function of the other terms. Thanks!

4. Originally Posted by djsnare
Hello,

Please help solve this equation for x:

I tried taking logs, but it didn't seem to help that much. Thanks!

- Mark
Multiplying both sides by c- bx, (c- bx)(1+ x^n)= c+ bx. That is an n degree polynomial equation. There is no general formula for solving that.