Y=3x/(x^2+9)

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Solution for Y=3x/(x^2+9) equation: 



=3Y/(Y^2+9)

We move all terms to the left:

-(3Y/(Y^2+9))=0



Domain of the equation: (Y^2+9))!=0

Y∈R



We multiply all the terms by the denominator


-(3Y=0

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