Question

Ayudaaaaaaaaaaaaaaaaaaaaaaaaa
como resuelvo esto?

√20 - √5

Answer 1

$\sqrt{20} - \sqrt{5}$
$\sqrt{4 \times 5} - \sqrt{5}$
$\sqrt{4} \times \sqrt{5} - \sqrt{5}$
$2 \sqrt{5} - \sqrt{5}$
$\sqrt{5} \times (2 - 1)$
$\sqrt{5} \times 1$
$\sqrt{5}$