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81^2x(1/9)^x+2=729(9^x)^-2
We move all terms to the left:
81^2x(1/9)^x+2-(729(9^x)^-2)=0
Domain of the equation: 9)^x!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
81^2x(+1/9)^x-(7299^x^-2)+2=0
We get rid of parentheses
81^2x(+1/9)^x-7299^x^+2+2=0
We multiply all the terms by the denominator
81^2x(+1-7299^x^*9)^x+2*9)^x+2*9)^x=0
Wy multiply elements
162x^2+81^2x(+1-7299^x^*9)^x=0
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