Mathematics, 20.06.2019 18:04 jamilecalderonpalaci

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

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Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the...