$$( \sqrt{ 27 } + \sqrt{ 3 } )( \sqrt{ 3 } - \sqrt{ 2 } x)$$
$-4\sqrt{6}x+12$
$$\left(3\sqrt{3}+\sqrt{3}\right)\left(\sqrt{3}-\sqrt{2}x\right)$$
$$4\sqrt{3}\left(\sqrt{3}-\sqrt{2}x\right)$$
$$4\left(\sqrt{3}\right)^{2}-4\sqrt{3}x\sqrt{2}$$
$$4\times 3-4\sqrt{3}x\sqrt{2}$$
$$12-4\sqrt{3}x\sqrt{2}$$
$$12-4\sqrt{6}x$$
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$-4\sqrt{6}$
