Question

expand by using formula x^3 + y^3 + 3xy (x+y)
¡) (2x + 1)^3​

Answer 1

Answer:

$8 {x}^{3} + 1 + 6x(2x + 1) \\ 8 {x}^{3} + 1 + 12 {x}^{2} + 6x$

Step-by-step explanation:

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Answer 2

HEYA,

refer to the attatchment provided...