X+x2=122-x3

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Solution for X+x2=122-x3 equation: 



X+X2=122-X3

We move all terms to the left:

X+X2-(122-X3)=0

We add all the numbers together, and all the variables

-(-1X^3+122)+X+X2=0

We add all the numbers together, and all the variables

X^2-(-1X^3+122)+X=0

We get rid of parentheses

X^2+1X^3+X-122=0

We do not support eXpression: X^3

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