Write the first three terms in the binomial expansion, expressing the result in simplified form.(x + 6)20

A. x20 + 1140x19 + 6840x18
B. x20 + 6840x19 + 6840x18
C. x20 + 120x19 - 6840x18
D. x20 + 120x19 + 6840x18

Answer: D

Mathematics

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