SOLUTION: Solve for x: 2^(x) +8*2^(-x)=9. in words: 2 to the x, plus 8 times 2 to the -x equals nine. the plus 8 is not a superscript. thank you for your time.

Question 948682: Solve for x: 2^(x) +8*2^(-x)=9.
in words: 2 to the x, plus 8 times 2 to the -x equals nine. the plus 8 is not a superscript.
thank you for your time.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Solve for x:
This doesn't seem to lend itself to the usual methods, except graphically

x = 0, x = 3

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