tập xác định x\(\ge\)0
<=> \(\sqrt{2}.\sqrt{x^2-x+1}-1+x-\sqrt{x}=0\)
<=>\(\left[\begin{array}{nghiempt}2x-\sqrt{5}-3=0\\2x+\sqrt{5}-3=0\end{array}\right.\)
<=> \(\left[\begin{array}{nghiempt}x=\frac{\sqrt{5}-3}{2}\\x=\frac{3-\sqrt{5}}{2}\end{array}\right.\)
<=> x=\(\frac{3-\sqrt{5}}{2}\) thỏa