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Ede4ka [16]
3 years ago
15

Is (x+1) a factor off (x)=x3+x2−4x−4? A) Yes B) No

Mathematics
2 answers:
Slav-nsk [51]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

If x + 1 is a factor, x = -1 has to be a root

(-1)³ + (-1)² - 4(-1) - 4

0

satela [25.4K]3 years ago
4 0

Remainder theorem again...

p(x)=x^3+x^2-4x-4

p(-1)=(-1)^3+(-1)^2-4(-1)-4=0

So Yes, x+1 is a factor.

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