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Which of the following expressions is equivalent to ab² + 6ab + 7a³-14a?
a. (b + 7)(b + 6)(a²-2)
b. b(b + 6)+7(a2-2)
c. a[b(b + 6)+7(a²-2)]
d. a[(b + 7)(b + 6)(a²-2)]

Respuesta :

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Answer:

The option D is equivalent to the expression ab² + 6ab + 7a³-14a.

Step-by-step explanation:

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