64−−√−25−−√

sqrt(64) = 8

sqrt(25) = 5

Therefore, the expression simplifies to:

8 - 5 = 3

To simplify the expression 64−−√−25−−√, we can follow these steps:

Step 1: Simplify the square root of 64:
√64 = 8

Step 2: Simplify the square root of 25:
√25 = 5

Now, we can rewrite the expression as:
8 - 5

Step 3: Subtract 5 from 8:
8 - 5 = 3

Therefore, the simplified expression is 3.