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84=x+(x*x*x)
We move all terms to the left:
84-(x+(x*x*x))=0
We add all the numbers together, and all the variables
-(x+(+x*x*x))+84=0
We calculate terms in parentheses: -(x+(+x*x*x)), so:
x+(+x*x*x)
We get rid of parentheses
x+x*x*x
Wy multiply elements
x^3*x+x
We do not support expression: x^3
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