题目内容
分解因式
(1)3a2b+18a2b2+27a2b3
(2)x4+y4-2x2y2.
(1)3a2b+18a2b2+27a2b3
(2)x4+y4-2x2y2.
(1)3a2b+18a2b2+27a2b3,
=3a2b(1+6b+9b2);
(2)x4+y4-2x2y2=(x-y)2(x+y)2.
=3a2b(1+6b+9b2);
(2)x4+y4-2x2y2=(x-y)2(x+y)2.
练习册系列答案
相关题目
题目内容