Làm tính chia:
(2x4 + x3 – 3x2 + 5x – 2) : (x2 – x + 1).
(2x4 + x3 – 3x2 + 5x – 2) : (x2 – x + 1) = 2x2 + 3x - 2
-- Mod Toán 8
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