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X4+5=X3-7
We move all terms to the left:
X4+5-(X3-7)=0
We add all the numbers together, and all the variables
-(+X^3-7)+X4+5=0
We add all the numbers together, and all the variables
X^4-(+X^3-7)+5=0
We get rid of parentheses
X^4-X^3+7+5=0
We do not support eXpression: X^4
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