Find the product. Write the answer in standard form.
-$( 4 - 5 i ) ( 6 - 6 i )$
A) $54 - 6 \mathrm { i }$
B) $- 6 + 54 \mathrm { i }$
C) $30 \mathrm { i } ^ { 2 } - 54 \mathrm { i } + 24$
D) $- 6 - 54 \mathrm { i }$

Question

Quizplus · Accepted Answer

The product of two complex numbers $(a + bi)(c + di)$ is $ac + adi + bci + bdi^2$. Here, $i^2 = -1$. So, $(4 - 5i)(6 - 6i) = 24 - 24i - 30i + 30 = -6 - 54i$.

Find the Product (4−5i)(6−6i)( 4 - 5 i ) ( 6 - 6 i )(4−5i)(6−6i)

Find the Product $( 4 - 5 i ) ( 6 - 6 i )$