Use the binomial theorem to write the binomial expansion (X+2)^3

I got this from holt mcdougal Algebra 2 common core edition very good textbook btw
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(x + 2)^3 = x^3(1 + 2/x)^3 = x^3[1 + 3(2/x) + 3(2/x)^2 + (2/x)^3]

                                            = x^3[1 + 6/x + 12/(x^2) + 8/(x^3)]

                                            = x^3 + 6x^2 + 12x + 8
by Level 3 User (3.2k points)

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