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andrewsteward273
2 năm trước
Cho phương trình ẩn x: x(2x-3)+x(x-m)=3x² +x-m, với m là tham số. Tìm tất cả các giá trị của tham số m để phương trình có nghiệm không âm. Cứu mình với!!! Làm nhanh mình cho 5 sao
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