Verified Answer :

caylus

Hello,

Answer B

P(x)=x^3-13x+12
P(1)=1-13+12=0 ==>1 is root
P(3)=3^3-133+12=0 ==>3 is root
P(-4)=(-4)^3-13
(-4)+12=0 is root

P(x)=(x-1)(x-3)(x+4)

Answer:

b

Step-by-step explanation: