sstrike's answer to a's Secondary 3 A Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
sstrike
Sstrike's answer
5567 answers (A Helpful Person)
this is the v standard "Binomial theorem"
Confirmed be tested in O level exam

pls revise
- expansion
- like terms comnination

as u posted many this type of questions.