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3^(2*sqrt(x^2-2))-3^(sqrt(x^2-2))+6sqrt(x)-18=sqrt(x)*(9^sqrt(x^2-3)-3^sqrt(x^2-3))
3^(2*sqrt(x^2-2))-3^(sqrt(x^2-2))+6sqrt(x)-18=sqrt(x)*(9^sqrt(x^2-3)-3^sqrt(x^2-3))
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