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minhduccay


1, x^4 - 2x^3 - 12x^2 +12x +36
2, x^8.y^8 + x^4.y^4 +1
3, x^5 + x^4 - x^3 + x^2 - x +2
4, x^4 +5x^3 +10x - 4
5, x^3 - 11x^2 +30x
2, x^8.y^8 + x^4.y^4 +1
3, x^5 + x^4 - x^3 + x^2 - x +2
4, x^4 +5x^3 +10x - 4
5, x^3 - 11x^2 +30x