Answers

2016-07-10T13:34:19+08:00
1) square root of 60 = square root of 4 x 15 2) The square root of 4 = 2 3)Therefore, square root of 60 = 2 square root of 15 (15 is not a perfect square that is why we cannot solve it.)
0
Now, how can I solve this: x squared - 8x + 1 = 0