Question

$\sqrt{2}+ \sqrt{8}-3 \sqrt{2} =0$

Answer 1

$\sqrt{8}=\sqrt{4*2}=\sqrt{4}*\sqrt{2}=2\sqrt{2}$
Atunci ecuatia devine
$\sqrt{2}+2\sqrt{2}-3\sqrt{2}=3\sqrt{2}-3\sqrt{2}=0$

Answer 2

√2+√2³-3√2=√2+2√2-3√2=0