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(y/3)^2=4
We move all terms to the left:
(y/3)^2-(4)=0
We add all the numbers together, and all the variables
(+y/3)^2-4=0
We multiply all the terms by the denominator
(+y-4*3)^2=0
We add all the numbers together, and all the variables
(y-12)^2=0
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