Toán Lớp 8: Bài 2 a) (x^2 + 2xy + y^2) : (x + y); b) (125x^3 + 1) : (5x + 1); c) (x^2 – 2xy + y^2) : (y – x). d) (25x^5 – 5x^4 + 10x^2) : 5x^2; e)

Toán Lớp 8: Bài 2
a) (x^2 + 2xy + y^2) : (x + y);
b) (125x^3 + 1) : (5x + 1);
c) (x^2 – 2xy + y^2) : (y – x).
d) (25x^5 – 5x^4 + 10x^2) : 5x^2;
e) (15x^3y^2 – 6x^2y – 3x^2y^2) : 6x^2y.
Bài 3
Tính nhanh:
a) (4x^2 – 9y^2) : (2x – 3y); b) (27x^3 – 1) : (3x – 1);
c) (8x^3 + 1) : (4x^2 – 2x + 1); d) (x^2 – 3x + xy -3y) : (x + y)