Factor the following expression.

10x^5 + 5x^3 - 14x^2 - 7

A. (5x^4 + 7) (2x-1)

B. (5x^4 - 7) (2x + 1)

C. (5x^3 - 7) (2x^2 + 1)

D. (5x^3 + 7) (2x^2 - 1)

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