SOLUTION: log9(x+8)-log9(x+3)=log9x

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: log9(x+8)-log9(x+3)=log9x      Log On


   

Question 927295: log9(x+8)-log9(x+3)=log9x
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
log9(x+8)-log9(x+3)=log9x
log%289%2C%28%28x%2B8%29%2F%28x%2B3%29%29%29=log%289%2C%28x%29%29
(x+8)/(x+3)=x
x^2+3x=x+8
x^2+2x-8=0
(x+4)(x-2)=0
x=-4 (reject, x>0)
or
x=2