Answer:
3m
3m((m + 1)(m + 3)
Step-by-step explanation:
The GCF of 3. 12 and 9 = 3
and GCF of the m terms = m
So Required GCF = 3m
Factoring
= 3m (m^2 + 4m + 3)
= 3m(m + 1)(m + 3)
