Question: Explain why the coefficients A and B cannot be found if we set x (x-4) (x + 5) A x - 4 + B x

Explain why the coefficients A and B cannot be found if we setx (x-4) (x + 5) A x - 4 + B x

x (x-4) (x + 5) A x - 4 + B x + 5'

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