Just #1 what’s the answer and how do I do it?

Answer:
It is B
Step-by-step explanation:
(c² - 6c) + (7c + 5)
c² is it's own term
-6c + 7c combine to 'c'
5 is it's own term.
So it is c² + c +5
Answer: B. C^2 +c+5
Step-by-step explanation:
group them in families
(c^2-6c) +(7c+5)
-6c+7c
C^2 +c +5
*Keep in mind that if 1 is in front of the variable than just put the letter/symbol