Question

|2x+6|=√8 cum se face?

Answer 1

$|2x+6|= \sqrt{8}$
2x+6∈{+√8,-√8}
2x∈{√8-6,6-√8}
x∈{$\frac{\sqrt{8}-6}{2}$,$\frac{6-\sqrt{8}}{2}$}