Merryl Lim's answer to Blehhhh's Secondary 3 E Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Merryl Lim
Merryl Lim's answer
8 answers (Tutor Details)
1st
the working is abit long for the second part but just do normal expansion will do