x^2/(1-x)=3.9

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Solution for x^2/(1-x)=3.9 equation: 



x^2/(1-x)=3.9

We move all terms to the left:

x^2/(1-x)-(3.9)=0



Domain of the equation: (1-x)!=0

We move all terms containing x to the left, all other terms to the right

-x!=-1

x!=-1/-1

x!=1

x∈R



We add all the numbers together, and all the variables

x^2/(-1x+1)-(3.9)=0

We add all the numbers together, and all the variables

x^2/(-1x+1)-3.9=0

We multiply all the terms by the denominator


x^2-(3.9)*(-1x+1)=0

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