Respuesta :

Answer:

A

Step-by-step explanation:

Given

x³ - 9x² + 5x - 45

Factor the first/second and third/fourth terms, that is

= x²(x - 9) + 5(x - 9) ← factor out (x - 9) from each term

= (x - 9)(x² + 5) = (x² + 5)(x - 9) → A

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