Question

Hi, please help me with this math problem.

Answer 1

9514 1404 393

Answer:

-x +2

Explanation:

The expression can be simplified as follows.

`√(x^2-4x+4)=√((x-2)^2)=|x-2|`

For negative values of its argument, the absolute value changes the sign.

For x < 1, x-2 is negative, so the simplified form is ...

-(x -2) . . . . . for x < 1

-x +2 . . . . . for x < 1