SOLUTION: ln(x-1) + ln(x+2) = 1 I would like to know HOW to get the answer.

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: ln(x-1) + ln(x+2) = 1 I would like to know HOW to get the answer.      Log On


   

Question 973625: ln(x-1) + ln(x+2) = 1
I would like to know HOW to get the answer.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the law of logarithms,
ln%28a%29%2Bln%28b%29=ln%28ab%29
So the next step would be,
ln%28%28x-1%29%28x%2B2%29%29=1