(X+y)^2-9x^2

5x(x-2023)-x+2023

20x^4y-25x^2y^2+3x

(4^3-5xy+2x) (-1/2xy)

(-2x³ ) (x²+5-1/2)

(-2x³ ) (x²+5-1 phân 2)

Make sentences with "wish" based on the given situation: 1 What a pity! You aren't here with us now. 2. He doesn't help his mother with housework. 3. I can't swim. 4. My friends often go on camping trip without me. 5. He always goes to school late.