Christmas MT's answer to lisa's Secondary 4 E Maths question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
3748 answers (A Helpful Person)
1st
Yes, you are right :)
lisa
Lisa
6 years ago
hey thanks, though for part c when I use it, it doesn't simplify to the right answer