. Fill in the blanks 4 Factorise: m(x-yn(x-y=(x-y)()(5 Factorise: (x-y)-y(y-x)2=(x-y)6 Factorise: a(6-c)c-b=(6-c)(Factorise: 2(a-b3-4(6-a2=2(a-b2()8Factorise :-3a(1-x)-2b(x-1)+c(1-x)=(x-1)() 相关知识点: 试题来源: 解析 4 m-n 5y26a-17...