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sashaice [31]
3 years ago
15

Use the binomial theorem to expand (2x+1)^3

Mathematics
1 answer:
Sauron [17]3 years ago
3 0
(2x + 1)³
(2x + 1)(2x + 1)(2x + 1)
(4x² + 2x + 2x + 1)(2x + 1)
(4x² + 4x + 1)(2x + 1)
(8x³ + 4x² + 8x² + 4x + 2x + 1)
8x³ + 12x² + 6x + 1
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