belleza49 belleza49

11-07-2022
Mathematics

contestada

If (x+ 1) is a factor of the polynomial x³ + px² + x + 6 = 0. Find p.

Respuesta :

Eddie1Wan Eddie1Wan

11-07-2022

Answer:

p=4

Step-by-step explanation:

plug x=-1 into the polynomial with the unknown

(-1)³+p(-1)+(-1)+6=0

-1-p-1+6=0

-p+4=0

p=4

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