Question and answer
Which polynomial is prime? x4 + 3x2 – x2 – 3 x4 – 3x2 – x2 + 3 3x2 + x – 6x – 2 3x2 + x – 6x + 3
3x^2 + x - 6x - 2 = (3x + 1)(x - 2) x^4 + 3x^2 - x^2 - 3 = (x^2 + 3)(x - 1)(x + 1) x^4 - 3x^2 - x^2 + 3 = (x^2 - 3)(x - 1)(x + 1) 3x^2 + x – 6x + 3 is a prime which can not be further factored.
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Asked 2/26/2015 8:29:06 AM
Updated 3/1/2015 11:57:58 PM
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3x^2 + x - 6x - 2 = (3x + 1)(x - 2)
x^4 + 3x^2 - x^2 - 3 = (x^2 + 3)(x - 1)(x + 1)
x^4 - 3x^2 - x^2 + 3 = (x^2 - 3)(x - 1)(x + 1)
3x^2 + x – 6x + 3 is a prime which can not be further factored.

Added 3/1/2015 11:57:58 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [3/2/2015 12:29:12 AM]
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