Question

Factor x^2+1.

Answer 1

(x+1)(x-1)

Answer 2

That's definitely wrong :/

Answer 3

it can't be factored.

Answer 4

yes it can o.o

I need an irriducible factorization please

Answer 5

ask me

Answer 6

\[
(x-i)(x+i) = x^2+ix-ix-i^2=x^2-(-1) = x^2+1
\]

Answer 7

it would be a complex number

(x + i )(x - i )

the roots being -i and i

Answer 8

@nincompoop I asked the general public. What do you mean by "ask [you]"?

Answer 9

@johnweldon1993 , I'd give you da medal, but wio was slightly before you :)

GG

Answer 10

haha no problem :)

Answer 11

I mean ask me if I can factor it

Answer 12

Dudes, x^2+1 is a sum of squares. And sums of squares cannot be factoed. They are prime. !!