Question

2radical 50 - 3 radical 45-2 radical 32+radical 320​

Answer 1

2•2radical 5 - 3•3 radical 5 - 2•4 radical 2 + 6 radical 5=
4 radical 5 - 9 radical 5 - 8 radical 2 + 6 radical 5=
-5 radical 5 - 8 radical 2 + 6 radical 5=
-13 radical 5 + 6 radical 5=
=-7 radical 5