Answer:
2(x+8)
Step-by-step explanation:
2x+16
unfactorable with real numbers
in the complex realm
(x-4i) (x+4i)
x^2+16
We can only factor this with imaginary numbers
(x^2 - (-4i)^2)
This is the difference of squares
(x -4i) (x+4i)
