SOLUTION: log base3x 81=2

Question 668369: log base3x 81=2
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,



   (3x)^2 = 81

     9x^2 = 81

      x^2 = 9

       x = 3   (tossing out -3 as being an extraneous solution) 

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