Chor Teng's answer to Piranha's Secondary 3 A Maths Singapore question.
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Expand the equation clearly, make sure no careless mistakes. Then compare the coefficients.
If you feel confident, you could just immediately compare the coefficients for x^3 and constant. However, I'd suggest to expand the equation to practice expansion. :D
Hope this helps
If you feel confident, you could just immediately compare the coefficients for x^3 and constant. However, I'd suggest to expand the equation to practice expansion. :D
Hope this helps
Date Posted:
4 years ago
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