Question

3корень2 - 5 корень 8 + корень 32 = ?

Answer 1

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

Answer 2

3√2-5√8+√32=3√2-10√2+4√2=-3√2