SOLUTION: 2log(x-5)=log9

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Question 41643: 2log(x-5)=log9
Answer by tran3209(100)   (Show Source): You can put this solution on YOUR website!
2log(x-5)=log9
log(x-5)^2=log9
(x-5)^2=9
x^2-10x+25=9
x^2-10x+25-9=9-9
x^2-10x+16=0
(x-8)(x-2)=0
x-8=0--->x=8
x-2=0--->x=2
the answers are x=8 and x=2

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