Question

Expand the following (x+2y)³

Answer 1

Step-by-step explanation:

(a+b)³ = a³ +b³ +3ab(a+b)

(x+2y)³ = x³ + 8y³+ 3×x×2y(x+2y)

           = x³ + 8y³+ 6x²y+12xy²

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Answer 2

Step-by-step explanation:

hope it helps

answer is, x³+8y³+6x²y+12xy²