这道题怎么因式分解16z^2(4x-2y)^+12z^2(y-2x)^3
问题描述：
这道题怎么因式分解16z^2(4x-2y)^+12z^2(y-2x)^3
答
16z²(4x-2y)²+12z²(y-2x)³
=16z²[2(2x-y)]²-12z²(2x-y)³
=64z²(2x-y)²-12z²(2x-y)³
=4z²(2x-y)²[16-3(2x-y)]
=4z²(2x-y)²(3y-6x+16)对不起应该是16z^3哦。16z³(4x-2y)²+12z²(y-2x)³=16z³[2(2x-y)]²-12z²(2x-y)³=64z³(2x-y)²-12z²(2x-y)³=4z²(2x-y)²[16z-3(2x-y)]=4z²(2x-y)²(3y+16z-6x)