9^2x+1=81^x+2/3^x

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Solution for 9^2x+1=81^x+2/3^x equation: 



9^2x+1=81^x+2/3^x

We move all terms to the left:

9^2x+1-(81^x+2/3^x)=0



Domain of the equation: 3^x)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

9^2x-81^x-2/3^x+1=0

We multiply all the terms by the denominator


9^2x*3^x-81^x*3^x+1*3^x-2=0

Wy multiply elements

27x^3-243x^2+3x-2=0

We do not support expression: x^3

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