Question

Root8 + 2root 32 - 5 root2

Answer 1

friend i this this can help you

Answer 2

$\sqrt{8} + 2 \sqrt{32} - 5 \sqrt{2}$
$= 2 \sqrt{2} + 8 \sqrt{2} - 5 \sqrt{2}$
$= (2+8-5) \sqrt{2}$
$= 5 \sqrt{2}$