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3(y^2)+(12/(y^2))-15=0
Domain of the equation: y^2)!=0We get rid of parentheses
y!=0/1
y!=0
y∈R
3y^2+12/y^2-15=0
We multiply all the terms by the denominator
3y^2*y^2-15*y^2+12=0
We add all the numbers together, and all the variables
-15y^2+3y^2*y^2+12=0
Wy multiply elements
-15y^2+3y^4+12=0
We do not support eypression: y^4
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