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Algebra Level 2

\[ \large \begin{cases} {x^4 + 5y = 6 } \\ {x^2 y^2 + 5x = 6 } \end{cases} \]

Solve the system of equations above.

\(x=y=-1\) or \(x=y=2\). No solution. \(x=y=-2\) or \(x=y=1\). \(x=-2; y=1\) or \(x=1; y=-2\).

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by Nguyễn Hữu Khánh

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