Write -3i+( [tex]\frac{3}{4}[/tex] + 2i) - ([tex]\frac{9}{3}[/tex] +3i) as a complex number in standard form.

A. [tex](\frac{9}{4}+9i)[/tex]

B. [tex](-\frac{9}{4}-4i)[/tex]

C. [tex](9i+\frac{9}{4})[/tex]

D. -6i


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