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dnthinhhuyen
2 năm trước
Bài 1: Phân tích các đa thức sau thành nhân tử (Dùng phương pháp đặt nhân tử chung) (3 điểm) a) 5x(x – 2) – 3x2(x – 2) = x(x – 2)(5 – 3x) b) 3x(x – 5y) – 2y(5y – x) = .... c) y2(x2 + y) – zx2 – zy = ..........
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