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secondary 3 | A Maths
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secondary 3 chevron_right A Maths

How do I continue

Date Posted: 6 years ago
Views: 334

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A
A's answer
1 answers (Tutor Details)
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6 years ago
Thank you
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Wen Guotai Daniel
Wen Guotai Daniel's answer
66 answers (Tutor Details)
Observation on the X^3 term coefficients is critical. It seems not possible to solve without this. Cheers.
Wen Guotai Daniel
Wen Guotai Daniel
6 years ago
Sorry it can be solved with one more equation. Just treat AB and (A+B) as two unknowns first.