Asked by Jeremy
I'm not sure how to solve the equation 5^x-12*(5^-x)-1=0
Answers
Answered by
bobpursley
multiply all terms by 5^x
5^2x-12-5^x=0
let u=5^x
then u^2-u-12=0
(u-4)(u-3)=0
solve for u, substite back in, solve for x.
5^2x-12-5^x=0
let u=5^x
then u^2-u-12=0
(u-4)(u-3)=0
solve for u, substite back in, solve for x.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.