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4x+(4000/x^2)=0
Domain of the equation: x^2)!=0We get rid of parentheses
x!=0/1
x!=0
x∈R
4x+4000/x^2=0
We multiply all the terms by the denominator
4x*x^2+4000=0
Wy multiply elements
4x^3+4000=0
We do not support expression: x^3
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