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4-2(w-4)2=-124
We move all terms to the left:
4-2(w-4)2-(-124)=0
We add all the numbers together, and all the variables
-2(w-4)2+128=0
We multiply parentheses
-4w+16+128=0
We add all the numbers together, and all the variables
-4w+144=0
We move all terms containing w to the left, all other terms to the right
-4w=-144
w=-144/-4
w=+36
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