Respuesta :

MathPhys

Answer:

f(x) = x³ − 5x² − 16x + 80

Step-by-step explanation:

The degree is 3, so there are exactly 3 zeros.

The zeros are -4, 4, and 5.

f(x) = (x + 4) (x − 4) (x − 5)

f(x) = (x² − 16) (x − 5)

f(x) = x³ − 5x² − 16x + 80

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