45 is 9 times 5, and 9 is 3 squared, so the answer is 9 times the square root of 5.
That IS the simplest radical form.
5 times the square root of 3
Six times the square root of five
5 times the square root of 21
2 times the square root of 17
5 times the square root of six.
5 times the square root of 3
12 times the square root of 7.
The square root of 28 or in this case the radical form of 28 will be 2 times radical 7. Since 28 is 4 times 7 and the square root of 4 is two.
square root of 85 is 9.2195444 but the in the simplest radical is square root of 5 times square root of 17
3 times the square root of 10
3 times the sqrt 2