Answer:
I'm guessing its b, but I'm not too sure
Step-by-step explanation:
x^2 + 4x + 3 + 1 = (x + 2)^2
So 1 need to be added.
4+2i because you can’t have a negative square root
Answer:
67
Step-by-step explanation:
● -(x + 3) + (y - 5) + (z - 6)
● -x - 3 + y - 5 + z - 6
● (-x + y + z) + (3 -5 -6)
● 75 + 3 - 11
● 78 - 11
● 67