问题
解答题
化简: (1)
(2)(x2-xy)÷
|
答案
(1)原式=
-1 x-3
=6 (x+3)(x-3)
;1 x+3
(2)原式=x(x-y)•
•y (x-y)2
=(x+y)(x-y) x2y
.x+y x
化简: (1)
(2)(x2-xy)÷
|
(1)原式=
-1 x-3
=6 (x+3)(x-3)
;1 x+3
(2)原式=x(x-y)•
•y (x-y)2
=(x+y)(x-y) x2y
.x+y x