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nghia9600
2 năm trước
cho đa thức c(x) = (-2x^2+3x-5x^2+x+3) + (3x^2-4x-3) a) Thu gọn rồi sắp xếp đa thức theo lũy thừa giảm dần của biến Tìm bậc của c(x) b) Tìm nghiệm của đa thức c(x) Giúp mik bài này vs ạ
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