How to factor quadratic equations when the exponent is the unknown? See example:
20/(1.10)^x = 40
This is not a quadratic equation
1.10^x=1/2
take the log of each side
x log 1.1= log .5
x= log.5/log1.1
20/(1.10)^x = 40
1.10^x=1/2
take the log of each side
x log 1.1= log .5
x= log.5/log1.1