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40-x3=4+x
We move all terms to the left:
40-x3-(4+x)=0
We add all the numbers together, and all the variables
-x3-(x+4)+40=0
We add all the numbers together, and all the variables
-1x^3-(x+4)+40=0
We get rid of parentheses
-1x^3-x-4+40=0
We do not support expression: x^3
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