3 years ago

Which of the following polynomials is prime and cannot be factored?

Mathematics

1 answer:

sasho [114]3 years ago

8 0

Answer:

B. x² +9

Step-by-step explanation:

Only B cannot be factored... the rest can be factored as follows

A. x² +9x = x (x+9)

C x² - 9 = x²-3² = (x+3)(x-3)

D 2x² +7x-9 = (2x+9)(x-1)

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