SOLUTION: What is logx+log(x-1)=log2? Solve for x
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Question 481023: What is logx+log(x-1)=log2? Solve for x
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
logx+log(x-1)=log2
------------------------
log[x(x-1)] = log(2)
----
x(x-1) = 2
x^2-x-2 = 0
----
Factor:
(x-2)(x+1) = 0
Positive solution:
x = 2
=================
Cheers,
Stan H.
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