Write the following cubes in expended form. (2x+1)³
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Answer:
(
a3 + b3 + 3ab (a + b)
(2x)3 + (1)^3 + 3 × 2x × 1 ( 2x + 1)
8x^3 + 1 + 6x (2x + 1)
8x3 + 1 + 12x^2 + 6x
8x3 + 12x2 + 6x + 1
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