Tìm x,y nguyên : y^2 +2xy-3x-2=0 P/s : giúp vs ak

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Tìm x,y nguyên :
y^2 +2xy-3x-2=0
P/s : giúp vs ak

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Doris 4 years 2020-10-14T13:16:17+00:00 0 Answers 53 views 0

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )