Respuesta :

Answer:

  f(x) = x³ -7x² -6x +72

Step-by-step explanation:

If r is a root of the polynomial, then (x-r) is a factor. For the three given roots, the factors are ...

  f(x) = (x -4)(x -6)(x +3)

This expands to ...

  f(x) = x³ -7x² -6x +72

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