$$(ii)(2+\sqrt{3})(3+\sqrt{5})$$
$-\left(\sqrt{15}+2\sqrt{5}+3\sqrt{3}+6\right)\approx -19.541271724$
$$-\left(2+\sqrt{3}\right)\left(3+\sqrt{5}\right)$$
$$\left(-2-\sqrt{3}\right)\left(3+\sqrt{5}\right)$$
$$-6-2\sqrt{5}-3\sqrt{3}-\sqrt{3}\sqrt{5}$$
$$-6-2\sqrt{5}-3\sqrt{3}-\sqrt{15}$$
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$-\left(\sqrt{15}+2\sqrt{5}+3\sqrt{3}+6\right)$
