\left. \begin{array} { l } { x ^ {2} + {(k - 1)} - 8 = 0 }\\ { x_{1} = x_{2} ^ {2} }\\ { l = k }\\ { m = l }\\ { n = m }\\ { o = n }\\ { p = o }\\ { q = p }\\ { r = q }\\ { s = r }\\ { t = s }\\ { u = t }\\ { v = u }\\ { w = v }\\ { \text{Solve for } y \text{ where} } \\ { y = w } \end{array} \right.
求解 x, y 的值
x=\sqrt{9-w}\text{, }y=w
x=-\sqrt{9-w}\text{, }y=w\text{, }v=w\text{ and }o=w\text{ and }l=w\text{ and }n=w\text{ and }r=w\text{ and }q=w\text{ and }s=w\text{ and }p=w\text{ and }t=w\text{ and }m=w\text{ and }k=w\text{ and }x_{1}=x_{2}^{2}\text{ and }u=w
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