Christmas MT's answer to Y's Secondary 2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Christmas MT
Christmas Mt's answer
2911 answers (A Helpful Person)
1st
Apply the quadratic formula
Eric Nicholas K
Eric Nicholas K
4 years ago
Not a good approach for Secondary 2 students, since they would have only learnt basic cross factorisation. This method is only suitable for Secondary 3 students and above.