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x3=15x+-4
We move all terms to the left:
x3-(15x+-4)=0
We add all the numbers together, and all the variables
x3-(15x-4)=0
We add all the numbers together, and all the variables
x^3-(15x-4)=0
We get rid of parentheses
x^3-15x+4=0
We do not support expression: x^3
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