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A $2x ^ 2 - 4x - 1$

B $2x ^ 2 + 4x - 1$

C $2x ^ 2 + 4x + 1$

D $2x ^ 2 - 4x + 1$

Answer:

2x ^ 2 - 4x - 1

$2x ^ 2 - 4x - 1$

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