Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.



Question

secondary 3 | A Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question
qaz
Qaz

secondary 3 chevron_right A Maths chevron_right Singapore

hi is there an error for qn 4b ? bc if (a-b)(a+b) = a^2 - b^2 , why doesn't it apply here ?

Date Posted: 1 week ago
Views: 11

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Arnold K H Tan
Arnold K H Tan's answer
735 answers (A Helpful Person)
1st
You were close