Integers, variables, constants, factoring, commutative equations, distributive properties, inverse properties, anything divided by 0 is undefined.
I don’t even remember the Malay translations for these words, much less the meanings (we learn Math in Malay in Malaysia. Rad, eh?)
And to top of it all off, I’d been too cheap to buy the required latest edition of Beginner’s Algebra, but had purchased, instead, its cheaper (by US$80) immediate predecessor, and as a result, found myself trying to squint at the text belonging to the boy seated next to me because I was literally not on the same page as the instructor. Looks like I’ll have to fork out $100 for the damn text after all.