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simplify (x-1)^2 + (y-4)^2 + (z-6)^2 = 4((x-2)^2+(y-4)^2+(z-0)^2)
simplify (x-1)^2 + (y-4)^2 + (z-6)^2 = 4((x-2)^2+(y-4)^2+(z-0)^2)
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