因式分解:-8³b²+12ab³c-6a²b

问题描述:

因式分解:-8³b²+12ab³c-6a²b
(x+2)(x-6)+16
(x+2)(x+4)+(x²-4)

-8³b²+12ab³c-6a²b=-2ab(4a²b-6b²c+3a)(x+2)(x-6)+16=x²-4x-12+16=x²-4x+4=(x+2)²(x+2)(x+4)+(x²-4)=x²+6x+8+x²-8x+16=2x²-2x+24=2(x²-x+12...