Help me pls. Ive been dying to solve one of these. Could someone explain

Answer:
5(10k+1)+2(2+8k)
=50k+5+4+16k
=66k+9 OR 3(22K+3)
(ANSWER)
Answer:
66k + 9
Step-by-step explanation:
The question isn't mentioned, so assuming we need to simplify :
Distribute the terms in the parentheses.
Combine like terms.