Question

Factor:
x2 + 4

Answer 1

over the reals? or can you use complex imaginary numbers?

Answer 2

it cannot be factored over reals,
if this Q belong to imaginary/complex , then it can be.

Answer 3

if they haven't been introduced to imaginary numbers yet, they might just have to answer that is can't be (we had to say it was already prime)

Answer 4

good point @Ajk

Answer 5

yeah. i have no idea what imaginary numbers is. So i guess the answer would be prime. Thankyou :)

Answer 6

welcome ^_^

Answer 7

oh yeah, sorry. I mean't to say you are welcome!

Answer 8

and also,
\(\Huge \mathcal{\text{Welcome To OpenStudy}\ddot\smile} \)

Answer 9

Thanks!!! :)