Multiply Write Your Answer in a + Bi Form $( - 5 - 8 \mathrm { i } ) ^ { 2 }$

Multiple Choice

Multiply. Write your answer in a + bi form.
- $( - 5 - 8 \mathrm { i } ) ^ { 2 }$

A) $- 10 - 16 i$
B) $- 39$
C) $25 + 64 i$
D) $- 39 + 80 \mathrm { i }$