If P(x)=x4−2x3−8x+3P(x) = x^4 - 2x^3 - 8x + 3P(x)=x4−2x3−8x+3 and (x−3)(x - 3)(x−3) divides P(x)P(x)P(x), verify using the Factor Theorem.
P(3)=0P(3) = 0P(3)=0
P(0)=3P(0) = 3P(0)=3
P(3)=3P(3) = 3P(3)=3
P(−3)=0P(-3) = 0P(−3)=0