Simplify Write Your Answers in the Form of A+bi, Where $$( 8 + 7 \mathrm { i } ) ( 6 - 9 \mathrm { i } )$$

Multiple Choice

Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
- $$( 8 + 7 \mathrm { i } ) ( 6 - 9 \mathrm { i } )$$

A) $- 15 + 114 \mathrm { i }$
B) $111 + 30 \mathrm { i }$
C) $- 63 i ^ { 2 } - 30 i + 48$
D) $111 - 30 \mathrm { i }$