$$\frac { 2 } { 3 \sqrt { 2 } - 5 }$$
$\frac{-6\sqrt{2}-10}{7}\approx -2.640754482$
$$\frac{2\left(3\sqrt{2}+5\right)}{\left(3\sqrt{2}-5\right)\left(3\sqrt{2}+5\right)}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{\left(3\sqrt{2}\right)^{2}-5^{2}}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{3^{2}\left(\sqrt{2}\right)^{2}-5^{2}}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{9\left(\sqrt{2}\right)^{2}-5^{2}}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{9\times 2-5^{2}}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{18-5^{2}}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{18-25}$$
$$\frac{2\left(3\sqrt{2}+5\right)}{-7}$$
$$\frac{6\sqrt{2}+10}{-7}$$
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