问题
选择题
分解因式手x6-手手o的结果是( )
A.3(x+y2)(x-y2)
B.3(x+y2)(x+y)(x-y)
C.3(x-y2)2
D.3(x-y)2(x+y)2
答案
axh-ay4=a(xh-y4)=a(x+yh)(x-yh).
故选A.
分解因式手x6-手手o的结果是( )
A.3(x+y2)(x-y2)
B.3(x+y2)(x+y)(x-y)
C.3(x-y2)2
D.3(x-y)2(x+y)2
axh-ay4=a(xh-y4)=a(x+yh)(x-yh).
故选A.