3X²-12x-124X²-144=03X(X-1)=2(X-1)(2X-1)²=(3-X）²
问题描述：
3X²-12x-12
4X²-144=0
3X(X-1)=2(X-1)
(2X-1)²=(3-X）²
答
3X²-12x-12=3(X²-4x-4)=3[(x-2)²-8]=3[(x-2-2√2)(x-2+2√2)4X²-144=0 ,4(X²-36)=0 ,4(x+6)(x-6)=0 ,x=-6,x=63X(X-1)=2(X-1) ,3X(X-1)-2(X-1)=0(x-1)(3x-2)=0 ,x=1,x=2/3(2X-1)²=(3-X...