I can't figure out how to factor out this quadratic exponential equation

e^2x+7e^x-3=0

The answer in the book says it is -0.904 but I don't know how to figure out how to get the answer.

Thank you

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- Mar 19th 2008, 12:13 PMangelus2402004Help with solving exponential equation
I can't figure out how to factor out this quadratic exponential equation

e^2x+7e^x-3=0

The answer in the book says it is -0.904 but I don't know how to figure out how to get the answer.

Thank you - Mar 19th 2008, 12:45 PMwingless
Let .

Then

Then use ..... - Mar 19th 2008, 01:35 PMangelus2402004
Thank You!