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(1/3)^2x-243=0
Domain of the equation: 3)^2x!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
(+1/3)^2x-243=0
We multiply all the terms by the denominator
(+1-243*3)^2x=0
We add all the numbers together, and all the variables
(-728)^2x=0
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