\left\{ \begin{array} { l } { y = - 3 x ^ { 2 } } \\ { y - x - 1 = 0 } \end{array} \right.
Whakaoti mō y, x (complex solution)
x=\frac{-\sqrt{11}i-1}{6}\approx -0.166666667-0.552770798i\text{, }y=\frac{-\sqrt{11}i+5}{6}\approx 0.833333333-0.552770798i
x=\frac{-1+\sqrt{11}i}{6}\approx -0.166666667+0.552770798i\text{, }y=\frac{5+\sqrt{11}i}{6}\approx 0.833333333+0.552770798i
Graph
Tohaina
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