SOLUTION: e^x-15e^-x=2

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Question 1060064: e^x-15e^-x=2
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
e^x-15e^-x=2
Multiply by e^x
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e^(2x) - 15 = 2e^x
e^(2x) - 2e^x - 15 = 0
(e^x - 5)*(e^x + 2) = 0
e^x = 5
x = ln(5)
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Ignore e^x = -2