Respuesta :

nobillionaireNobley
[tex]3 \sqrt{54} -4 \sqrt{24} =3 \sqrt{9\times6} -4 \sqrt{4\times6} \\ \\ =9 \sqrt{6} -8 \sqrt{6} = \sqrt{6} \\ \\ \therefore3 \sqrt{54} -4 \sqrt{24}=\bold{ \sqrt{6} }[/tex]

Answer:

Its square root 6 so A.

Step-by-step explanation:

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