SOLUTION: solve the equation for the positive value of x. Show work. 2 logx - log(x-1) = log4

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Question 713832: solve the equation for the positive value of x. Show work.
2 logx - log(x-1) = log4
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
solve the equation for the positive value of x. Show work.
2 logx - log(x-1) = log4
log[x^2/(x-1)]=log(4)
x^2/(x-1)=4
x^2=4x-4
x^2-4x+4=0
(x-2)^2=0
x=2 (multiplicity 2)