expand as you would usually (using distributive law)
2 - root minus 3 + 2(root minus 3) - (-3)
5 + i(root 3)
I didn't mean to suggest finch was incorrect - that post wasn't there when I started typing... and I just got lost somewhere...
I'm going to bed...
Oh incidentally - in this forum, would it not make sense to have a message that pops up in the event that someone else has posted to the topic before you enter your post?
Especially in a forum such as this...