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]

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Answer:\(p=6,\ q=-49,\ r=-14\).

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