Answer:
104
Step-by-step explanation:
(-2 + 10i) (-2 – 10i)
Distribute using FOIL (first, outer, inner, last).
(-2)(-2) + (-2)(-10i) + (10i)(-2) + (10i)(-10i)
4 + 20i – 20i – 100i²
4 – 100i²
4 + 100
