Perform the Operation $( 3 + 2 \sqrt { 2 } i ) + ( - 6 - \sqrt { 2 } i )$

Multiple Choice

Perform the operation. Write the answer in a + bi form. $( 3 + 2 \sqrt { 2 } i ) + ( - 6 - \sqrt { 2 } i )$

A) $- 3 - 2 \sqrt { 2 } i$
B) $- 2 - \sqrt { 2 } i$
C) $- 3 + \sqrt { 2 } i$
D) $- 9 + 2 \sqrt { 2 } i$