7) \(-4x^3 + 2x - 4x \cdot (x^2 + x - 5)\) 8) \(5x^5 - 5x^2 - 5x^2 \cdot (x^3 - 2x + 1)\) Bài 8: Thực hiện phép tính 1) \((x - 1) \cdot (x - 2)\) 2) \((x + 3) \cdot (x - 3)\) 3) \((x + 1)(-x + 2)\) 4) \((x - 2) \cdot (-3 + x)\) 5) \((x - 3) \cdot (2x + 5)\) 6) \((2x + 1) \cdot (x + 2)\)

----- Nội dung ảnh -----
7) \(-4x^3 + 2x - 4x \cdot (x^2 + x - 5)\)
8) \(5x^5 - 5x^2 - 5x^2 \cdot (x^3 - 2x + 1)\)
Bài 8: Thực hiện phép tính
1) \((x - 1) \cdot (x - 2)\)
2) \((x + 3) \cdot (x - 3)\)
3) \((x + 1)(-x + 2)\)
4) \((x - 2) \cdot (-3 + x)\)
5) \((x - 3) \cdot (2x + 5)\)
6) \((2x + 1) \cdot (x + 2)\)