2/x^2-4x-21=3/x^2+7x+12

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Solution for 2/x^2-4x-21=3/x^2+7x+12 equation: 



2/x^2-4x-21=3/x^2+7x+12

We move all terms to the left:

2/x^2-4x-21-(3/x^2+7x+12)=0



Domain of the equation: x^2!=0

x^2!=0/

x^2!=√0

x!=0

x∈R





Domain of the equation: x^2+7x+12)!=0

x∈R



We add all the numbers together, and all the variables

-4x+2/x^2-(3/x^2+7x+12)-21=0

We get rid of parentheses

-4x+2/x^2-3/x^2-7x-12-21=0

We multiply all the terms by the denominator


-4x*x^2-7x*x^2-12*x^2-21*x^2+2-3=0

We add all the numbers together, and all the variables

-33x^2-4x*x^2-7x*x^2-1=0

Wy multiply elements

-33x^2-4x^3-7x^3-1=0

We do not support expression: x^3

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