Respuesta :

Answer:

i think it is (x-5) (x-1) (x+1) (x+3)

Step-by-step explanation:

f(x)=x 4 −2x 3 −16x 2 +2x+15=±15,±5,±3,±1=x=1=x 3 −x 2 −17x−15=0=

x 2 −2x−15=0=x= 2 2±8=x=−3 x=5= (x-5) (x-1) (x+1) (x+3)

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