Wong Kang Min's answer to Kuan Zhi Jue's Secondary 3 A Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Wong Kang Min
Wong Kang Min's answer
7 answers (Tutor Details)
1st
Very cheeky question!

Play around with the signs and simplify wherever possible.