Question

$2 \sqrt{2 - } 4 \sqrt{2} + \sqrt{2}$
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Answer 1

Resposta:

$2\sqrt{2} -4\sqrt{2} +\sqrt{2} =-4*2\sqrt{2}+\sqrt{2}=-8\sqrt{2}+\sqrt{2}=-8+1\sqrt{2}=-7\sqrt{2}$

Explicação passo-a-passo: