Question

（数学问题）8a(x-y)^2-4(y-x)^3因式分解，急！！！！！！！！

急！！！！！！！！！

Answer 1

答：
8a(x-y)^2-4(y-x)^3
=8a(x-y)²+4(x-y)³
=4(x-y)² [2a+(x-y)]
=4(x-y)² (x-y+2a)

追问

公因式是多少啊

追答

公因式是4(x-y)²

Answer 2

8a(x-y)^2-4(y-x)^3
=8a(x-y)^2+4(x-y)^3
=4(x-y)²(2a+x-y)