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X^2(X+7)=1/2(1X^2+16)
We move all terms to the left:
X^2(X+7)-(1/2(1X^2+16))=0
Domain of the equation: 2(1X^2+16))!=0We multiply all the terms by the denominator
X∈R
(X^2(X+7))*2(1X^2+16))-(1=0
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