问题
填空题
多项式:3(x-y)-6y(y-x)的公因式是______.
答案
3(x-y)-6y(y-x)=3(x-y)(1+2y),
∴3(x-y)-6y(y-x)的公因式是 3(x-y).
故答案为:3(x-y).
多项式:3(x-y)-6y(y-x)的公因式是______.
3(x-y)-6y(y-x)=3(x-y)(1+2y),
∴3(x-y)-6y(y-x)的公因式是 3(x-y).
故答案为:3(x-y).