Hello!
Answer:

Explanation:
→ We want to factorize this expression:

◼ We know that ab - ac = a(b - c)
The greatest common factor of 8k and 16 is 8.
So, in our expression:

◼ Factorize out 8 from both terms:


Conclusion:
The expression 8k - 16 is equal to 8(k - 2).