[填空题]
Find the x -coordinates of all the points on the curve u5)q,ssk 4fe7 p 4zzhh))c9wra - r qz1eqeg,30lmoi xzb*c4z $y=2 x^{4}-\frac{34}{3} x^{3}+\frac{41}{2} x^{2}-10 x$ at which the tangent to the curve is parallel to the tangent at $\mathrm{P}\left(1, \frac{7}{6}\right)$ . x =
