Question

3корень2 - 5 корень 8 + корень 32 = ?

Answer 1

$3sqrt{2} - 5sqrt{8}+sqrt{32}=3sqrt{2} - 5sqrt{4*2}+sqrt{16*2}=\=3sqrt{2} - 10sqrt{8}+4sqrt{32}=-3sqrt{2}$

Answer 2

3√2-5√8+√32=3√2-10√2+4√2=-3√2

===============================