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04-07-2022
Mathematics

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Is (x + 7) a factor of f(x) = x³ - 3x² + 2x - 8?

Respuesta :

04-07-2022

Answer:

x=-7

0=(-7)³-3(-7)²+2(-7)-8

=-343-147-14-8

0≠-512

x+7 isn't a factor

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