3^x*3^(-5)=81

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Solution for 3^x*3^(-5)=81 equation: 



3^x*3^(-5)=81

We move all terms to the left:

3^x*3^(-5)-(81)=0

Wy multiply elements

9x^2(--81=0

We use the square of the difference formula

9x^2(+81=0

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