Ho Jin Xuan's answer to Kelly03's Secondary 3 A Maths question.

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Ho Jin Xuan
Ho Jin Xuan's answer
22 answers (Tutor Details)
1st
Feel free to contact me if the solution isn't clear.
Kelly03
Kelly03
6 years ago
Tq
Jiayang
Jiayang
6 years ago
You forgot the "±"
Kelly03
Kelly03
6 years ago
Which one?
Jiayang
Jiayang
6 years ago
The last step