You have to factor and then get the x intercepts
Answer:
4+11a+8b
Step-by-step explanation:
1) 4+3a+2b+6b+5a+3a
2) 3a+3a+5a=11a. 2b+6b=8b
It’s -4 because you need to like distribute then add like terms, etc.
I think it is 16 I am not sure because I did not do it I am just guessing