x*x*x+3x=800

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Solution for x*x*x+3x=800 equation: 



x*x*x+3x=800

We move all terms to the left:

x*x*x+3x-(800)=0

We add all the numbers together, and all the variables

3x+x*x*x-800=0

Wy multiply elements

x^3*x+3x-800=0

We do not support expression: x^3

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