12 radical 2
No.
radical 89 cannot be simplified.
3 radical 5
4 radical 6
square root of 8*square root of *4 = 32 Sq root of 4=2 so its 2sq root 8
6 radical 6
√97, which cannot be simplified.
There is no radical to simplify!
2 radical(8) = 4 radical(2)
Nothing it is simplified
radical 85 cannot be simplified.