x+3/x=7x^2+9/x^2

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Solution for x+3/x=7x^2+9/x^2 equation: 



x+3/x=7x^2+9/x^2

We move all terms to the left:

x+3/x-(7x^2+9/x^2)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x^2)!=0

x!=0/1

x!=0

x∈R



We get rid of parentheses

-7x^2+x+3/x-9/x^2=0

We calculate fractions

We do not support expression: x^3

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