7x^2-20x-3/(x^2+1)=0

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Solution for 7x^2-20x-3/(x^2+1)=0 equation:



7x^2-20x-3/(x^2+1)=0
Domain of the equation: (x^2+1)!=0
We move all terms containing x to the left, all other terms to the right
x^2!=-1
x^2!=-1/
x^2!=√-1/
x!=NAN
x∈R
We multiply all the terms by the denominator
7x^2*(x^2+1)-20x*(x^2+1)-3=0
We multiply parentheses
7x^2*(x^2+1)-20x^3-20x-3=0
We do not support expression: x^3

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