Question

*Multiple Choice*
I'll give a medal to the first person to answer

Simplify:

5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6

1. 5 square root of 14 end root minus 7 square root of 12

2. 5 square root of 7 end root minus 7 square root of 6

3. 7 square root of 12 end root minus 5 square root of 14

4. 7 square root of 6 end root minus 5 square root of 7