SOLUTION: solve the equation log(x-1)+log(x+1)= 2log(x+2).

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: solve the equation log(x-1)+log(x+1)= 2log(x+2).      Log On


   



Question 1069671: solve the equation
log(x-1)+log(x+1)= 2log(x+2).

Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E2-1=x%5E2%2B4x%2B4
Continue from that.

Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.
On logarithms, see a bunch of lessons
    - WHAT IS the logarithm
    - Properties of the logarithm
    - Change of Base Formula for logarithms
    - Solving logarithmic equations
    - Using logarithms to solve real world problems
in this site.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Logarithms".