Fixed, thank you! (it's actually r(x)=p(x)-q(x)) (proof-reading through HN is a mildly embarrassing process, sorry about that! I do go over these posts and pro

Fixed, thank you! (it's actually r(x)=p(x)-q(x)) (proof-reading through HN is a mildly embarrassing process, sorry about that! I do go over these posts and proof-read them several times myself before publishing)