SOLUTION: lg9+lg12-3lg3+2lg5

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Question 817094: lg9+lg12-3lg3+2lg5
Found 2 solutions by LinnW, Alan3354:
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
lg9+lg12-3lg3+2lg5
lg9+lg12-lg3^3+lg5^2
lg9+lg(12/3^3)+lg25
lg(9*(12/3^3))+lg25
lg((9*12/27) * 25 )
lg( 4 * 25 )
lg(100) = 10 if base is 10

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
lg9+lg12-3lg3+2lg5
lg9+lg12-lg3^3+lg5^2
lg9+lg(12/3^3)+lg25
lg(9*(12/3^3))+lg25
lg((9*12/27) * 25 )
lg( 4 * 25 )
lg(100) = 10 if base is 10
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log%2810%2C100%29+=+2, not 10