Subtract the polynomials.(6x7 - 7x5 - 17x) - (3x7 - 20x5 - 8x)

A. 3x7 - 4x5 - 25x
B. 3x7 + 13x5 - 25x
C. 7x13
D. 3x7 + 13x5 - 9x


Answer: D

Mathematics

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