Question

Which polynomial is prime X squared -36X squared +16 X squared minus 7X +12 X squared minus X -20

Answer 1

x^2 +16 is prime

Explanation:

A prime polynomial is one that cannot be factored using integers.

• x^2 -36 = (x -6)(x +6) . . . . not prime
• x^2 +16 . . . . . prime
• x^2 -7x +12 = (x -3)(x -4) . . . . not prime
• x^2 -x -20 = (x -5)(x +4) . . . . not prime