Add or Subtract the Complex Numbers
- $(2+2 \mathrm{i})-(6+9 \mathrm{i})+(8+9 \mathrm{i})$

Multiple Choice

Add or subtract the complex numbers
- $(2+2 \mathrm{i}) -(6+9 \mathrm{i}) +(8+9 \mathrm{i})$

A) $-12-16 \mathrm{i}$
B) $-12+2 \mathrm{i}$
C) $4+2 \mathrm{i}$
D) $4+20 \mathrm{i}$