Respuesta :

sqdancefan

9514 1404 393

Answer:

  y = x^3 -4x^2 -4x +16

Step-by-step explanation:

If r is a root, then (x -r) is a factor. A polynomial with the give roots is ...

  y = (x -(-2))(x -2)(x -4) = (x^2 -4)(x -4)

  y = x^3 -4x^2 -4x +16