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X3(2X-5)+2X=-23
We move all terms to the left:
X3(2X-5)+2X-(-23)=0
We add all the numbers together, and all the variables
2X+X3(2X-5)+23=0
We multiply parentheses
2X^4-5X^3+2X+23=0
We do not support eXpression: X^4
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