I am curious as to how i am to solve and equation with a negative exponent.

My problem is:

10e^x-15-45e^-x=0

We are suppose to use the formula that u=e^x.

I don't know what to do since there is a negative after the 45.

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- Mar 11th 2013, 09:19 AMpaigesiscoExponential Equation in Quadratic Form
I am curious as to how i am to solve and equation with a negative exponent.

My problem is:

10e^x-15-45e^-x=0

We are suppose to use the formula that u=e^x.

I don't know what to do since there is a negative after the 45. - Mar 11th 2013, 09:27 AMPlatoRe: Exponential Equation in Quadratic Form
- Mar 11th 2013, 10:17 AMpaigesiscoRe: Exponential Equation in Quadratic Form
Can you explain the method you used so that i can use it on future problems? I am confused on how the x's transfered

- Mar 11th 2013, 10:21 AMPlatoRe: Exponential Equation in Quadratic Form