Show all work. Show all steps.
Simplify the following. Show all work.
1. √75
2. √42/√7
3. √16/√121
4. √2/√9 • √2/√7
5. (√x +8)(√x -1)
6. √20+ √125 + √45
7. 6/√11x
8.4/5-√6x