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Mathematics, 17.09.2019 22:00 amila17

Write the first three terms in the binomial expansion, expressing the result in simplifies form.
(x+4)^20
i know that the answer is x^20+80x^19+3040x^18, but i need an explanation on the steps of how to get it.

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Write the first three terms in the binomial expansion, expressing the result in simplifies form.
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