Multiply. Write your answer in a + bi form.
-$$( 3 - 2 i ) ( 9 + 5 i )$$
A) $- 10 i ^ { 2 } - 3 i + 27$
B) $37 + 3 \mathrm { i }$
C) $37 - 3 \mathrm { i }$
D) $17 - 33 \mathrm { i }$

Question

Quizplus · Accepted Answer

To multiply the complex numbers, use the distributive property: (3)(9) + (3)(5i) + (-2i)(9) + (-2i)(5i) = 27 + 15i - 18i - 10i^2. Since i^2 = -1, -10i^2 becomes 10. Combine like terms: 27 + 10 + (-3i) = 37 - 3i.

Multiply Write Your Answer in a + Bi Form (3−2i)(9+5i)( 3 - 2 i ) ( 9 + 5 i )(3−2i)(9+5i)

Multiply Write Your Answer in a + Bi Form $( 3 - 2 i ) ( 9 + 5 i )$