x^2+10x+21/x^2+9x+20*x+5/x+3=x

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Solution for x^2+10x+21/x^2+9x+20*x+5/x+3=x equation: 



x^2+10x+21/x^2+9x+20x+5/x+3=x

We move all terms to the left:

x^2+10x+21/x^2+9x+20x+5/x+3-(x)=0



Domain of the equation: x^2!=0

x^2!=0/

x^2!=√0

x!=0

x∈R





Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

x^2+38x+21/x^2+5/x+3=0

We calculate fractions

We do not support expression: x^3

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