B) (x-1/2)^2+(2x-3)(x-1)-(x+1)^2
C) -5x(x+3)-(x-4)(x-4)-(x+2)^3 D)(x+1/3)^2-(x)^2+(x-3)(x+3)
E) (x+1/5)^2-(x+2)(x-5)+(x-2)^3
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