(x²-x)²-8x²+8x+12 因式分解 用分组分解,
问题描述:
(x²-x)²-8x²+8x+12 因式分解 用分组分解,
答
(x²-x)²-8x²+8x+12
=(x²-x)²-8(x²-x)+12
=(x²-x-2)(x²-x-6)
=(x-2)(x+1)(x-3)(x+2)