Question

What is the factored form of the expression?

s4 – 16
A. (s - 2)2(s + 2)2


B. (s - 2)(s + 2)


C. (s - i)(s + i)(s - 2)(s + 2)

D. (s - 2i)(s + 2i)(s - 2)(s + 2)

Answer 1

well its not a or b because that would make it s^2*4. Are you sure you wrote it write?

Answer 2

yes

Answer 3

(-2+s) (2+s) (4+s^2)
Can you get there from this?

Answer 4

huh

Answer 5

The answer is D

Answer 6

(4+s^2) will factor into (s-2i)(s+2i)

Answer 7

oh ok i see knw thank you

Answer 8

Oh, I though it was s*4, you ment s^4 sorry.

Answer 9

Can I have a medal?