A(x−1)(x+2)(x+3)B(x+1)(x+2)(x+3)C(x−1)(x−2)(x+3)D(x−1)(x−2)(x−3) Step-by-Step Solutionp(1)=1−6+11−6=0, so (x−1) is a factor. Dividing gives x2−5x+6=(x−2)(x−3). Hence the factorisation is (x−1)(x−2)(x−3).Answer: D) (x−1)(x−2)(x−3)