Răspuns :
|x- √2| =√2
x-√2=√2 sau x-√2= -√2
x=√2+√2 x= -√2+√2=0
x=2√2 sau x= 0
x-√2=√2 sau x-√2= -√2
x=√2+√2 x= -√2+√2=0
x=2√2 sau x= 0
[tex]|x- \sqrt{2} |= \sqrt{2} \\ x- \sqrt{2} = \sqrt{2} \\ x= \sqrt{2} + \sqrt{2} \\ x=2 \sqrt{2} \\ x- \sqrt{2}=- \sqrt{2} \\ x=- \sqrt{2} + \sqrt{2} \\ x=0 [/tex]