Question

1.Expand the following.
1. (2x+y)cube​

Answer 1

Answer:

8x³+y³+12x²y+6xy²

Step-by-step explanation:

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Answer 2

Answer To Your Question:

(2x+y)³=8x³+y³+12x²y+6xy²

Step-by-step explanation:

By using the identity:(a+b)³=a³+b³+3ab(a+b),

(2x+y)³=(2x)³+(y)³+3×2x×y(2x+y)

          =8x³+y³+6xy(2x+y)

          =8x³+y³+12x²y+6xy²

Hope this helps you:)