SOLUTION: log3(x+3)+log3(x-3)=3

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: log3(x+3)+log3(x-3)=3      Log On


   



Question 867072: log3(x+3)+log3(x-3)=3
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
log%283%2C%28x%2B3%29%28x-3%29%29=3

3%5Elog%283%2C%28x%2B3%29%28x-3%29%29=3%5E3

x%5E2-9=27
x%5E2=36
x=6 <--other solution is extraneous