Question

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.

5 square root of 14 end root minus 7 square root of 12
5 square root of 7 end root minus 7 square root of 6
7 square root of 12 end root minus 5 square root of 14
7 square root of 6 end root minus 5 square root of 7

Answer 1

My answer is B but I'm not sure if I'm right .

Answer 2

5√7 + 12√6 – 10√7 – 5√6
–5√7 + 7√6

5√14 – 7√12
5√14 – 7√(4•3)
5√14 – 14√3

Answer 3

So am I right or no ?

Answer 4

Correct