Question

3raiz de 800 - 3raiz de 162 +raiz de 512

Answer 1

$3\sqrt{800}-3 \sqrt{162}+ \sqrt{512}$ =

$3 \sqrt{2.400}-3 \sqrt{2.81}+ \sqrt{2.256}$ =

$3.20 \sqrt{2}-3.9 \sqrt{2}+16 \sqrt{2}$ =

$60 \sqrt{2}-27 \sqrt{2}+16 \sqrt{2}$ = $49 \sqrt{2}$

Espero ter ajudado!