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C3 Exponential Functions And Logs watch

1. Solve the equation e^2x - 5e^x +6 = 0

giving x in terms of logs

any help would be great! thanks so much
2. let t = e^x

3. Hint, it looks a lot like a quadratic equation doesn't it?

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what would happen to the equation if you let y = e^x and re-wrote the equation?
4. (Original post by boomboompow.)
Solve the equation e^2x - 5e^x +6 = 0

giving x in terms of logs

any help would be great! thanks so much
You can write this as:

Can you see that this is a disguised quadratic?
If not, try a substitution of and you should get:

Solve for y and then solve for x.

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