问题:
分解因式3x 2-3y 4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
分解因式3x 2-3y 4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
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
参考答案: