Answer:
option B
Step-by-step explanation:
[tex]3i( - 4 + 2i)[/tex]
[tex] = > 3i \times ( - 4) + 3i \times 2i[/tex]
[tex] = > - 12i + 6 {i}^{2} [/tex]
But it's given that [tex] {i}^{2} = - 1[/tex]
So,
[tex] - 12i + 6 {i}^{2} = - 12i + 6 \times ( - 1) \\ \: \: \: \: \: \: \: \: \: = - 12i - 6[/tex]
