1.

1031ax + bx +c dx2ax + b(ax2 + bx + c)2ax +b-(2ax+ b)(ax2 + bx+ c)2(C) ody is, then2ax + b(B)2ax + b(ax2 + bx + c)(C) 0(D) (2ax+ b(ax2 + bx+ c)

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