(数学问题)8a(x-y)^2-4(y-x)^3因式分解,
问题描述:
(数学问题)8a(x-y)^2-4(y-x)^3因式分解,
答
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)公因式是多少啊公因式是4(x-y)²