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Which of the following numbers is not in the list of possible numbers involved in the factors of x³ + 5x² − x − 5?
a. 5b. -1c. 1d. 2​


Sagot :

Answer:

d. 2

Step-by-step explanation:

If we factor x³ + 5x² - x - 5, the answer will be

(x+5) (x-1) (x+1)

Clear as day, we don't see a 2. Therefore, it's the answer :>