问题
解答题
因式分解
(1)2a3-8a
(2)x3-2x2y+xy2.
答案
(1)2a3-8a=2a(a2-4)=2a(a+2)(a-2);
(2)x3-2x2y+xy2=x(x2-2xy+y2)=x(x-y)2.
因式分解
(1)2a3-8a
(2)x3-2x2y+xy2.
(1)2a3-8a=2a(a2-4)=2a(a+2)(a-2);
(2)x3-2x2y+xy2=x(x2-2xy+y2)=x(x-y)2.