7/x-3-5/x+7=2x+1/x^2+4x-21

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Solution for 7/x-3-5/x+7=2x+1/x^2+4x-21 equation: 



7/x-3-5/x+7=2x+1/x^2+4x-21

We move all terms to the left:

7/x-3-5/x+7-(2x+1/x^2+4x-21)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x^2+4x-21)!=0

x∈R



We add all the numbers together, and all the variables

7/x-5/x-(2x+1/x^2+4x-21)+4=0

We get rid of parentheses

7/x-5/x-2x-1/x^2-4x+21+4=0

We calculate fractions

We do not support expression: x^3

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