Question

$\sqrt{125} + \sqrt{40 } =$
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Answer 1

Respuesta:

$7\sqrt{5} + 2\sqrt{2}$

Explicación paso a paso:

$125 / 5 = 2525/5 = 55/5 = 1 125 = 5^3 40/2 = 2020/2 = 1010/2 = 5 5/5 = 140 = 2^3 * 5\sqrt{5^{3} }+\sqrt{2^{3}*5 } = 5\sqrt{5} + 2\sqrt{2*5} = 5\sqrt{5} + 2\sqrt{2} + 2\sqrt{5} = (2+5)\sqrt{5} + 2\sqrt{2} = 7\sqrt{5} + 2\sqrt{2}$