[ \sqrt{27 \times 2} \times (2 - 3 \times \sqrt{3)} ]
[ = \sqrt{54} \times (2 - 3 \times \sqrt{3)} ]
[ = \sqrt{2} \times \sqrt{27} \times (2 - 3 \times \sqrt{3)} ]
[ = 3 \sqrt{2} \times (2 - 3 \times \sqrt{3)} ]
[ = 6 \sqrt{2} - 9 \times \sqrt{6} ]
[ \sqrt{27 \times 2} \times (2 - 3 \times \sqrt{3)} ]
[ = \sqrt{54} \times (2 - 3 \times \sqrt{3)} ]
[ = \sqrt{2} \times \sqrt{27} \times (2 - 3 \times \sqrt{3)} ]
[ = 3 \sqrt{2} \times (2 - 3 \times \sqrt{3)} ]
[ = 6 \sqrt{2} - 9 \times \sqrt{6} ]