Mathaddict100's answer to Kathy's Secondary 4 A Maths Singapore question.

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Mathaddict100
Mathaddict100's answer
534 answers (A Helpful Person)
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Here's the solution..You would have probably learn the factorisation skill for cubic expression in your class..This is something new in a math..If you have the txb..(Page reference:26)...Hope it helps.. :)