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3 years ago

Which of the following best describes the relationship between (x + 1) and the polynomial x2 - x - 2?

Mathematics

2 answers:

Alex787 [66]3 years ago

6 0

Answer:

Step-by-step explanation:

I took the test

Viefleur [7K]3 years ago

3 0

Answer:

Step-by-step explanation:

to factor x² - x - 2

consider the factors of the constant term which sum to give the coefficient of the x-term.

the factors are - 2 and + 1 since - 2 × 1 = - 2 and - 2 + 1 = - 1

x² - x - 2 = (x - 2)(x + 1), hence (x + 1) is a factor

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