Erfana Beevee Binte Hassan Shariff's answer to chloe's Secondary 3 A Maths Singapore question.
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We compare coeff of x^2 and x^3 terms first so that we can find a and b first. Then we let x=1 to find c. If we let x=1 first, there will be too many unknowns in 1 equation. Makes it tedious to solve using multiple simultaneous equations.
Date Posted:
1 month ago
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