Subtract and write the resulting polynomial in descending order of degree.( 6n5 - 20n3 - 9) - ( 4n5 - 7n3 + 13)

A. 2n5 - 13n3 - 22
B. 2n5 - 13n3 + 4
C. -33n8
D. 2n5 - 16n3 + 4


Answer: A

Mathematics

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