Answer:
10(k+5)
Explanation:
We find the GCF for both 10k and 50 but since 50 doesn't have a variable the GCF will be 10 since 10 can go into 50 5 times
The we divide both terms by 10
10k/10 = k
50/10 = 5
and add them together
k+5
And put 10 on the outside of the perinthesis
10(k+5)
hope this helps please let me know if you have questions