Question

considerando a expressão raiz
$\sqrt{108} - \sqrt{8}$

Answer 1

$\sqrt{108} - \sqrt{8}$

$6 \sqrt{3} - \sqrt{8}$

$6 \sqrt{3} - 2 \sqrt{2}$

Answer 2

$\sqrt{108} - \sqrt{8} \\ 2 \times 3 \sqrt{3} - 2 \sqrt{2} \\ 6 \sqrt{3} - 2 \sqrt{2} \\ 2(3 \sqrt{3} - \sqrt{2} )$