The remainder theorem tells us that for any polynomial f(x), if you divide it by the binomial x−a, the remainder is equal to the value of f(a). The factor theorem tells us that if a is a zero of a polynomial f(x), then (x−a) is a factor of f(x), and vice-versa. We can plug in 3 into f(x).
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The remainder theorem tells us that for any polynomial f(x), if you divide it by the binomial x−a, the remainder is equal to the value of f(a). The factor theorem tells us that if a is a zero of a polynomial f(x), then (x−a) is a factor of f(x), and vice-versa. We can plug in 3 into f(x).
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