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X4-X2-5=X2+5
We move all terms to the left:
X4-X2-5-(X2+5)=0
We add all the numbers together, and all the variables
-(+X^2+5)+X4-X2-5=0
We add all the numbers together, and all the variables
X^4-1X^2-(+X^2+5)-5=0
We get rid of parentheses
X^4-1X^2-X^2-5-5=0
We do not support eXpression: X^4
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