Answer:
D) a and b - 3
Step-by-step explanation:
The given expression a(b-3) is a product of 2 terms ,namely, a and (b-3).
So the factors of the expression are a and (b-3).
Option A contains only one correct factor - a
Option B contains only one correct factor - a
Option C contains no correct factor.
Option D contains both the correct factors - a and (b-3).
Hence among the given options, Option D is the correct option.
