Tham KY's answer to Chowder's Junior College 1 H1 Maths question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Hope this helps you...
Date Posted:
6 years ago
Wait why must do -(×-1) ?
(x-1) is not the same as (1-x). In order to cancel with the other denominator, must factorise the negative out. Must be exactly the same to cancel off.
360 Tutoring Program