Answer:
B. (x+4)(x+i)(x-i)
Step-by-step explanation:
Let 
We can factor this polynomial by grouping:

We factor further to obtain:


We apply difference of two squares to get:

15 is A, 22+X=8
I don't have time to solve the rest RN but will come back later
I believe the correct answer would be 5,1,3 :)
Answer:
4 1/2 in seconds is 14400
Step-by-step explanation: