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y=1/210^2-3
We move all terms to the left:
y-(1/210^2-3)=0
We get rid of parentheses
y+3-1/210^2=0
We multiply all the terms by the denominator
y*210^2-1+3*210^2=0
We add all the numbers together, and all the variables
y*210^2+132299=0
Wy multiply elements
210y^3+132299=0
We do not support eypression: y^3
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