Tìm cặp số nguyên x, y sao cho: x.(y + 2) = -8
Giải thích
\[(x;y) = ( - 8; - 1);\,\,(1; - 10);\,\,(8; - 3);( - 1;\,\,6);\,\,( - 4;\,\,0);\,\,(2; - 6);\,\,(4; - 4);\,\,( - 2; - 6)\]
\[(x;y) = ( - 8; - 1);\,\,(1; - 10);\,\,(8; - 3);( - 1;\,\,6);\,\,( - 4;\,\,0);\,\,(2; - 6);\,\,(4; - 4);\,\,( - 2; - 6)\]