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23 April, 10:33

Which polynomial is prime?

x2 - 36

x2 + 16

x2 - 7x + 12

x2 - x - 20

+3
Answers (1)
  1. 23 April, 10:52
    0
    X2+16 is the prime polynomial.

    x2+16 is the only polynomial that couldn't be factored out anymore

    x2-36 - - > (x-6) (x+6)

    x2-7x+12 - - > (x-3) (x-4)

    x2-x-20 - - > (x+5) (x-4)
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