Answer:
B. (3x - 9) (x + 3i)
Step-by-step explanation:
[tex]\bf 3 {x}^{2} = + 27[/tex]
- [tex]\bf (3x - 9)(x + 3i)[/tex]
- [tex]\bf 3 {x}^{2} +9 xi - 9xi - 27 {i}^{2} [/tex]
- [tex]\bf 3 {x}^{2} - 27( {i}^{2} )[/tex]
- [tex]\bf 3 {x}^{2} - 27( - 1)[/tex]
- [tex]\bf 3 {x}^{2} + 27[/tex]
Therefore, B is your answer!!!!
