√5
3 radical 5
5 sq rt of 2
They are +/- 4*sqrt(5).
5 - 2*sqrt(3) is already in simplest radical form, note that if you said 5 - sqrt(12) is definitely simplified to 5 - 2*sqrt(3).
√97, which cannot be simplified.
There is no radical to simplify!
The square root of 252 in simplified radical form is 2√63.
5 radical 2 (5√2)
It is: 5 times square root of 10
2,5
√105 in radical form is √105. It has no square factors and so cannot be simplified.
If you mean in simplified form, it's 5 times the square root of 7.