Răspunsuri

2014-10-06T15:52:12+03:00
|2x+6|= \sqrt{8}
2x+6∈{+√8,-√8}
2x∈{√8-6,6-√8}
x∈{ \frac{\sqrt{8}-6}{2} , \frac{6-\sqrt{8}}{2} }
2 4 2