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2y^2(2y-1)=2y^2+5y-12
We move all terms to the left:
2y^2(2y-1)-(2y^2+5y-12)=0
We get rid of parentheses
2y^2(2y-1)-2y^2-5y+12=0
We add all the numbers together, and all the variables
-2y^2+2y^2(2y-1)-5y+12=0
We move all terms containing y to the left, all other terms to the right
-2y^2+2y^2(2y-1)-5y=-12
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