题目内容
因式分解:
(1)a4-16a2
(2)2x2-4xy+2y2.
(1)a4-16a2
(2)2x2-4xy+2y2.
(1)a4-16a2,
=a2(a2-16),
=a2(a+4)(a-4);
(2)2x2-4xy+2y2,
=2(x2-2xy+y2),
=2(x-y)2.
=a2(a2-16),
=a2(a+4)(a-4);
(2)2x2-4xy+2y2,
=2(x2-2xy+y2),
=2(x-y)2.
练习册系列答案
相关题目