x⁶ - x⁴ + 2x³ + 2x²

x² - 4x²y² + y² + 2xy

Phân tích đa thức thành nhân tử: x - 2y + x² - 4y²

Make an appropriate question for the underlined parts

1. Maria wrote that letter.

2.Alice and John are going to get married in August.

3.Her eyes are gray.

4. Her hair is black.

5. I'd like some herb tea.

6. I usually drink coffee with my breakfast.

7. The soap bubbles made her sneeze.

8. It usually takes me 10 minutes to eat breakfast.

Tìm GTLN của biểu thức: C = -x² - 2x + 3

Tính gtri biêu thức: B = x² - 4y² + x - 2y