SOLUTION: please help me solve log(7x-12)=2 log x

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Question 247759: please help me solve log(7x-12)=2 log x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
+log%287x-12%29=2%2Alog%28x%29+
+log%287x-12%29=log%28x%5E2%29
+x%5E2=7x-12
+x%5E2-7x%2B12=0
Factor the quadratic
x%5E2-7x%2B12=%28x-3%29%2A%28x-4%29
%28x-3%29%2A%28x-4%29=0
x=3,4