Question

Hi, please help me out with this math problem.

Answer 1

9514 1404 393

Answer:

x - 4

Explanation:

The expression simplifies to ...

`√(x^2-8x+16)=√((x-4)^2)=|x-4|`

For x ≥ 4, the argument of the absolute value function is non-negative, so it remains unchanged. The simplified expression is ...

x - 4 . . . . for x ≥ 4