题目内容
因式分解:
(1)s小b-sb
(手)4xy手-4x手y-y小.
(1)s小b-sb
(手)4xy手-4x手y-y小.
(3)6了b-6b
=6b(62-3)
=6b(6+3)(6-3);
(2)4xy2-4x2y-y了
=-y(-4xy+4x2+y2)
=-y(2x-y)2.
=6b(62-3)
=6b(6+3)(6-3);
(2)4xy2-4x2y-y了
=-y(-4xy+4x2+y2)
=-y(2x-y)2.
练习册系列答案
相关题目