Lee Wonn Jen's answer to holowinwin's Secondary 3 E Maths question.

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Lee Wonn Jen
Lee Wonn Jen's answer
64 answers (A Helpful Person)
1st
When you factorise out the -1, need to check to make sure you factorise correctly, or else you might end up with -1 instead :)
holowinwin
Holowinwin
6 years ago
I see thank u!:)