问题
选择题
把x3-xy2分解因式的结果是( )
A.x(x2-y2)
B.x(x-y)2
C.x(x-y)(x+y)
D.x(x+y)2
答案
x3-xy2,
=x(x2-y2),
=x(x-y)(x+y).
故选C.
把x3-xy2分解因式的结果是( )
A.x(x2-y2)
B.x(x-y)2
C.x(x-y)(x+y)
D.x(x+y)2
x3-xy2,
=x(x2-y2),
=x(x-y)(x+y).
故选C.