因式分解 4x(x-y)²-8(y-x)³
问题描述:
因式分解 4x(x-y)²-8(y-x)³
答
=4x(x-y)²+8(x-y)³
=4(x-y)²(x+2x-2y)
=4(x-y)²(3x-2y)