Multiplying radicals

asked Mar 13, 2020 73.2k views

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$\bf (√(8x))(5√(2x))\implies 5√(2x\cdot 8x)\implies 5√(16x^2)\implies 5√(4^2x^2) \\\\\\ 5√((4x)^2)\implies 5(4x)\implies 20x$

Morten Fast answered Mar 17, 2020

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