Simplify. Write your answer in the form a + bi, where a and b are real numbers.
-$$( 19 + 6 i ) - ( 7 + 3 i )$$
A) $- 12 - 3 i$
B) $12 + 3 i$
C) $- 12 + 3 i$
D) $12 - 3 \mathrm { i }$

Question

Quizplus · Accepted Answer

To simplify the expression, subtract the real parts and the imaginary parts separately: $19 - 7 = 12$ and $6i - 3i = 3i$. Thus, the simplified form is $12 + 3i$.

Simplify Write Your Answer in the Form a + Bi (19+6i)−(7+3i)( 19 + 6 i ) - ( 7 + 3 i )(19+6i)−(7+3i)

Simplify Write Your Answer in the Form a + Bi $( 19 + 6 i ) - ( 7 + 3 i )$