Respuesta :

jcherry99

Answer:

Step-by-step explanation:

2x - (2x + 3)^2 + (4x -1) + x^3

2x - (4x^2 + 12x + 9) + (4x- 1) + x^3

x^3 - 4x^2 - 12x - 9 + 4x - 1

x^3 -4x^2 - 8x - 9 - 1

x^3 - 4x^2 - 8x - 10

A = 1

B = - 4

C = - 8

D = - 10

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