Lai Yu Chen's answer to Ong Jia Zhi's Secondary 4 A Maths Singapore question.

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Lai Yu Chen
Lai Yu Chen's answer
4 answers (A Helpful Person)
1st
Phylicia Tong
Phylicia Tong
5 years ago
Your final answer can only contain 'a' and any peripheral numbers ie answer cannot have x and/or y variables.