What is the exact value for the expression the square root of 52. − the square root of 13. + the square root of 117.? Simplify if possible. A:4 the square root of 13. B:the square root of 13. C:2 the square root of 39. D:8 the square root of 39.

The answer is A. 4sqrt 13

√52 - √13 + √117 - you can see that the number all of these numbers have in common is 13, and we can use that to simplify the expression So, √13*4 - √13 + √13*9 =  2√13 - √13 + 3√13= 4√13 The correct answer is A. 4 the square root of 13