Question

Question #25bda

Answer 1

`sqrt(x^2-5x+5)=1`

`=>x^2-5x+5=1`

`=>x^2-5x+4=0`

`=>x^2-4x-x+4=0`

`=>x(x-4)-1(x-4)=0`

`=>(x-4)(x-1)=0`

So `x=4 and x=1`