3x2-21/3x.x=3

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Solution for 3x2-21/3x.x=3 equation: 



3x^2-21/3x.x=3

We move all terms to the left:

3x^2-21/3x.x-(3)=0



Domain of the equation: 3x.x!=0

x!=0/1

x!=0

x∈R



We multiply all the terms by the denominator


3x^2*3x.x-3*3x.x-21=0

Wy multiply elements

9x^3-9x-21=0

We do not support expression: x^3

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