问题
解答题
因式分解:
(1)4x2-64
(2)2x3y-4x2y2+2xy3.
答案
(1)4x2-64=4(x2-16)=4(x+4)(x-4);
(2)2x3y-4x2y2+2xy3=2xy(x2-2xy+y2)=2xy(x-y)2.
因式分解:
(1)4x2-64
(2)2x3y-4x2y2+2xy3.
(1)4x2-64=4(x2-16)=4(x+4)(x-4);
(2)2x3y-4x2y2+2xy3=2xy(x2-2xy+y2)=2xy(x-y)2.