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