Hello,

Can anyone tell me if it is possible to factorise:
s(s^2 + 2s + 5) into a format of s(s +/- x) (s +/- x)?

I can't seem find a way that works! :(

s^2 + 2s + 5

= (s + 1)^2 + 4

= (s + 1)^2 - (2i)^2 (I = sqrt of -1)

= (s + 1 - 2i) (s + 1 + 2i)