问题
选择题
把-6(x-y)2-3y(y-x)2分解因式,结果是
[ ]A.-3(x-y)2(2+y)
B.-(x-y)2(6-3y)
C.3(x-y)2(y+2)
D.3(x-y)2(y-2)
答案
答案:A
把-6(x-y)2-3y(y-x)2分解因式,结果是
[ ]A.-3(x-y)2(2+y)
B.-(x-y)2(6-3y)
C.3(x-y)2(y+2)
D.3(x-y)2(y-2)
答案:A