Polynomials, Cubic Equations and Partial Fractions - Comparing Coefficients in Polynomial Identities

Polynomials, Cubic Equations and Partial Fractions - Comparing Coefficients in Polynomial Identities

Secondary 3

If \(2x^3-x^2-5x-4 =(Ax+3)(x-3)(x+1) +Bx+C\) for all real values of \(x\) find \(A\), \(B\) and \(C\).

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Answer:\(A=2\), \(B=7\), \(C=5\)

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