Answer:
C. 9-4i
Explanation:
Given the expression:
[tex]\mleft(4+2i\mright)+(5-6i)[/tex]First, open the brackets:
[tex]=4+2i+5-6i[/tex]Next, rearrange to bring similar terms together:
[tex]\begin{gathered} =4+5+2i-6i \\ =9-4i \end{gathered}[/tex]The correct choice is C.