Nathaniel Lukas Christianto's answer to Jayden's Secondary 2 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Nathaniel Lukas Christianto
Nathaniel Lukas Christianto's answer
4 answers (Tutor Details)
1st
Remember that a²-b² = (a-b)(a+b)