问题:
把下列式子因式分解:
(1)a 2b+2ab+b;
(2)-a 3+a 2b-
1
4
ab 2;
(3)(x+y) 2-4(x+y-1);
(4)(x 2+y 2) 2-4x 2y 2;
(5)(x 2-2x) 2+2(x 2-2x)+1;.
(6)(x+y) 2-6x 2+6y 2+9(x-y) 2.
把下列式子因式分解:
(1)a 2b+2ab+b;
(2)-a 3+a 2b-
ab 2;
(3)(x+y) 2-4(x+y-1);
(4)(x 2+y 2) 2-4x 2y 2;
(5)(x 2-2x) 2+2(x 2-2x)+1;.
(6)(x+y) 2-6x 2+6y 2+9(x-y) 2.
(1)a 2b+2ab+b;
(2)-a 3+a 2b-
1 |
4 |
(3)(x+y) 2-4(x+y-1);
(4)(x 2+y 2) 2-4x 2y 2;
(5)(x 2-2x) 2+2(x 2-2x)+1;.
(6)(x+y) 2-6x 2+6y 2+9(x-y) 2.
参考答案: