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(2/y^2)+(9/y)-7=0
Domain of the equation: y^2)!=0
y!=0/1
y!=0
y∈R
Domain of the equation: y)!=0We add all the numbers together, and all the variables
y!=0/1
y!=0
y∈R
(2/y^2)+(+9/y)-7=0
We get rid of parentheses
2/y^2+9/y-7=0
We calculate fractions
We do not support eypression: y^3
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