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(x*x*x)-5x=12.2
We move all terms to the left:
(x*x*x)-5x-(12.2)=0
We add all the numbers together, and all the variables
(+x*x*x)-5x-(12.2)=0
We add all the numbers together, and all the variables
-5x+(+x*x*x)-12.2=0
We get rid of parentheses
-5x+x*x*x-12.2=0
Wy multiply elements
x^3*x-5x-12.2=0
We do not support expression: x^3
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