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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=-2

or

x=y=1

.

x=y=-1

or

x=y=2

.

x=-2; y=1

or

x=1; y=-2

. No solution.

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by Nguyễn Hữu Khánh

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