Add or Subtract as Indicated $a+b i$
- $(4+10 \mathrm{i})-(10+5 \mathrm{i})+(8+7 \mathrm{i})$

Multiple Choice

Add or subtract as indicated. Write your answer in the form $a+b i$ .
- $(4+10 \mathrm{i}) -(10+5 \mathrm{i}) +(8+7 \mathrm{i})$

A) $-14+12 i$
B) $-14-2 i$
C) $2+22 \mathrm{i}$
D) $2+12 \mathrm{i}$