问题
计算题
对下列多项式分解因式
(1)x2(x+y)-y2(x+y)
(2)9x4-6x3+x2
答案
(1)解:原式=(x+y)(x2-y2) =(x+y)2(x-y)
(2)解:原式= x2(9x2-6x+1) = x2(3x-1)2
对下列多项式分解因式
(1)x2(x+y)-y2(x+y)
(2)9x4-6x3+x2
(1)解:原式=(x+y)(x2-y2) =(x+y)2(x-y)
(2)解:原式= x2(9x2-6x+1) = x2(3x-1)2