Your question has been heard loud and clear.
First one (x+2i)(x-2i) = x^2+4
Second one (x-2+2i)(x-2-2i) = x^2-4x+8
Third one (x+1+i)(x+1-i) = x^2+2x+2
Thank you
Edit: Sorry for taking 15 minutes I was calculating lol
Answer:
Yes that is very much correct y'know thanks for the free points
Step-by-step explanation:
Answer:19.2
x=−1
this is the answer. hope you understood