Question

aduceti la o forma mai simpla$( \sqrt{50} - 2\sqrt[]{2} )*\sqrt{2}$

Answer 1

$\sqrt{50} * \sqrt{2} - 2 \sqrt{2} * \sqrt{2} \\ \sqrt{100} - 2\sqrt{4} \\ 10 -4 \\ 6$

Answer 2

Radical din 50 il putem scrie ca:
$( \sqrt{25*2}-2 \sqrt{2}) * \sqrt{2} =(5 \sqrt{2} - 2\sqrt{2} )* \sqrt{2}=3 \sqrt{2}* \sqrt{2}= \\ =3\sqrt{4}=3*2= 6$