分解因式:-x的三次方y+2x눀y-xy

2025-12-25 11:14:36
推荐回答(2个)
回答1:

-x的三次方y+2x²y-xy=-xy(x^2-2x+1)=-xy(x-1)^2

回答2:

解:
-x³y+2x²y-xy
=-xy(x²-2x+1)
=-xy(x-1)²