3^x+3^x*3^2+3^x*3^-1=(31/3)

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Solution for 3^x+3^x*3^2+3^x*3^-1=(31/3) equation: 



3^x+3^x*3^2+3^x*3^-1=(31/3)

We move all terms to the left:

3^x+3^x*3^2+3^x*3^-1-((31/3))=0

We add all the numbers together, and all the variables

3^x+3^x*3^2+3^x*3^-1-((+31/3))=0

Wy multiply elements

9x^3+9x^2+3^x-1-((+31/3))=0

We multiply all the terms by the denominator


9x^3*3))+9x^2*3))+3^x*3))-1*3))-((+31=0

We do not support expression: x^3

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