来自刘美玲的问题
【因式分解:(1)4ax2-16ay2(2)a2x2-8a2x+16a2(3)(x+2)(x-3)-6(4)x2(y2-1)+2x(y2-1)+(y2-1)】
因式分解:
(1)4ax2-16ay2
(2)a2x2-8a2x+16a2
(3)(x+2)(x-3)-6
(4)x2(y2-1)+2x(y2-1)+(y2-1)


【因式分解:(1)4ax2-16ay2(2)a2x2-8a2x+16a2(3)(x+2)(x-3)-6(4)x2(y2-1)+2x(y2-1)+(y2-1)】
因式分解:
(1)4ax2-16ay2
(2)a2x2-8a2x+16a2
(3)(x+2)(x-3)-6
(4)x2(y2-1)+2x(y2-1)+(y2-1)
解(1)4ax2-16ay2=4a(x-2y)(x+2y);(2)a2x2-8a2x+16a2=a2(x2-8x+16)=a2(x-4)2;(3)(x+2)(x-3)-6=x2-x=x(x-1);(4)x2(y2-1)+2x(y2-1)+(y2-1)=(y2-1)(x2+2x+1)=(y+1)(y-1)(x+1)2...