AC Lim's answer to Joey's Secondary 4 E Maths Singapore question.

Ask ManyTutors
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
AC Lim
Ac Lim's answer
13087 answers (A Helpful Person)
Your answer is acceptable. Unless you want to convert it by multiply it with (-1/-1). Hope this helps