[tex](-4\sqrt{3})\cdot(2\sqrt{2})\cdot(5\sqrt{5})=-8\sqrt{3\cdot2}\cdot5\sqrt{5}=-40\sqrt{3\cdot2\cdot5}=-40\sqrt{30}\\
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72=2^3\cdot3^2\Leftrightarrow\sqrt{72}=3\cdot2\cdot\sqrt{2}=6\sqrt{2}\\
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(-36\sqrt{72}):(+9\sqrt{2})=-36\cdot6\sqrt{2}:9\sqrt{2}=\frac{-36\cdot6\sqrt{2}}{9\sqrt{2}}\\
\:(simplific\u am\;prin\;9\sqrt{2})\\
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=-4\cdot6=-24[/tex]
