SOLUTION: Hello, I have been struggling with this problem for some time and am not sure which rules to apply when. The instructions are to: "Solve the following logarithmic equation by conv

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Hello, I have been struggling with this problem for some time and am not sure which rules to apply when. The instructions are to: "Solve the following logarithmic equation by conv      Log On


   

Question 412071: Hello, I have been struggling with this problem for some time and am not sure which rules to apply when. The instructions are to:
"Solve the following logarithmic equation by converting to exponential form (give exact answer)"
log x + log(x-3) = 2
Thank you very much
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x)(x-3) = 10^2

x^2 - 3x - 100 = 0

use the quadratic formula to find x


REMEMBER: logarithms are not defined for negative arguments