Question

Need help please?
8.03] Determine the factors of x2 − 12x − 20.

(x − 2)(x + 10)

(x − 10)(x + 2)

(x − 5)(x + 4)

Prime

Answer 1

would it be a?

Answer 2

HELP! ASIGNMENT IS DUE!!!

Answer 3

We could do "+20". "-20" is no good. Prime!

Answer 4

So, is it prime?

Answer 5

An easy way to check would be to multiply out the 3 answers they gave you! You will see that it is indeed a prime if you are not inclined to work that out

Answer 6

Oh, okay. :) But -20- prime?

Answer 7

Ummm... -20 doesn't mean a polynomial is prime - just this one! Next time you see "-20", don't just to a prime conclusion without other evidence.