-x^2 + 4x + 2 = -(x^2-4x-2) You need factors of -2 that add to -4. There are none, so this polynomial is prime. If you want to factor over the complex numbers, then let me know.

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!!!! asked in Science & Mathematics Mathematics · 1 decade ago

FACTOR: -x^2 +4x +2?

Update:

I use to know how to factor but now I am taking another math class and I can't remember how to factor!

1 Answer

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MsMath
Lv 7
1 decade ago
Favourite answer
-x^2 + 4x + 2
= -(x^2-4x-2)
You need factors of -2 that add to -4.
There are none, so this polynomial is prime.
If you want to factor over the complex numbers, then let me know.

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