Comparing coefficients in identities
Comparing coefficients in identities
Secondary 2
4 marks
TGM Original Questions
Core stretch
Given that the following equality holds for all \(x\), \((5x+2)(2x-7)+px(x-3)=16x^2+qx+r\), find \(p,q,r\).[4]
Solution:
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Answer:\(p=6,\ q=-49,\ r=-14\).
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