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Can you help me simplufy 4sqrt(10) x 2sqrt(20)
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Can you help me simplufy 4sqrt(10) x 2sqrt(20)

User Denski
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\begin{gathered} 4\text{ }*\sqrt[]{10}\text{ }*\text{ 2 }*\sqrt[]{20}\text{ } \\ 4\text{ }*\sqrt[]{10}\text{ }*\text{ 2}*\sqrt[]{4*5} \\ 4*\sqrt[]{10}\text{ }*2\text{ }*2*\sqrt[]{5} \\ 4*2*2*\sqrt[]{10*5} \\ 16\sqrt[]{50}\text{ = 16}\sqrt[]{25*2} \\ \text{ = 16}*5*\sqrt[]{2} \\ \text{ = 80}\sqrt[]{2} \end{gathered}

User Tim Schwalbe
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