4^x + 6(4^-x) = 5

Can anyone please help me, I have been trying to solve this for hours(Crying)

Printable View

- Dec 13th 2009, 12:02 PMtoonyLog question with negative exponent
4^x + 6(4^-x) = 5

Can anyone please help me, I have been trying to solve this for hours(Crying) - Dec 13th 2009, 12:10 PMPlato
- Dec 13th 2009, 12:23 PMtoony
Wow thanks. didnt notice that !(Doh)