5 radical 72

Question

simpliest form

Answer 1

5 √ 72.

72 = 36 * 2

36 = 6 * 6

Since there are two 6's, remove them from the radical and leave the 2 under the radical since it doesn't have a pair.

5 * 6 = 30

So the problem simplified would be 30 √ 2.

(30 radical 2)