Say i have a complex number $5+5i$, is it then possible to factor out a five, so that:
$5+5i$ becomes $5(1+i)$
Arithmetically this would work, but I don't know if I mix thr real and imaginary part or something when I do so. So is this possible?
Thanks in advance!
Yes. This is called the distributive property which can be done in any ring.