Question

$2 \sqrt{3 \times 3 \sqrt{3 - 9 \times 2} }$
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Answer 1

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$2 \sqrt{3 \times 3 \sqrt{3 - 9 \times 2} }$

$2 \sqrt{ {3}^{2} \sqrt{3 - 18} }$

$2 \times 3 \sqrt{ - 15}$

$6 \sqrt{ - 15}$