Please help ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.

Answer:
D. [tex] ( {x} - 2)^{2} = 7[/tex]
Step-by-step explanation:
[tex]3 {x}^{2} - 12x = 9 \\ 3( {x}^{2} - 4x) = 9 \\ {x}^{2} - 4 x= 3 \\ {x}^{2} - 4x + 4 = 3 + 4 \\ {x}^{2} - 4x + {2}^{2} = 7 \\ ( {x} - 2)^{2} = 7[/tex]