x^2-4x-81/x^2+4=0

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Solution for x^2-4x-81/x^2+4=0 equation: 



x^2-4x-81/x^2+4=0



Domain of the equation: x^2!=0

x^2!=0/

x^2!=√0

x!=0

x∈R



We multiply all the terms by the denominator


x^2*x^2-4x*x^2+4*x^2-81=0

We add all the numbers together, and all the variables

4x^2+x^2*x^2-4x*x^2-81=0

Wy multiply elements

4x^2+x^4-4x^3-81=0

We do not support expression: x^4

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