simplify.\n2\\sqrt{125}

Explanation:

Step1: Prime - factorize 125

$125 = 5\times5\times5$

Step2: Simplify the square - root

$\sqrt{125}=\sqrt{5\times5\times5}=5\sqrt{5}$

Step3: Multiply by 2

$2\sqrt{125}=2\times5\sqrt{5}=10\sqrt{5}$

Answer:

$10\sqrt{5}$