Expression, Solve for x

Question

6e ^2x - 13e^x =5

Answer 1

6 e^2x - 13 e^x - 5 = 0

(2 e^x - 5)(3 e^x + 1) = 0

2 e^x = 5

e^x = 2.5

3 e^x = -1 Not possible