What are all of the real roots of the following polynomial?

Ax) = x5 + 5x4.5x3 - 25x2 + 4x + 20

A.

-5, - 2, - 1, 1, and 2

OB. - 2,-1,1, and 2

C. - 3,-2, - 1, 1, and 2

D. - 5, - 2, and 2

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