
因式分解:(x-1)(x-2)(x-3)(x-4)-48 (最好用十字相乘)
1个回答
展开全部
=(x-1)(x-4)(x-2)(x-3)-48
=(x²-5x+4)(x²-5x+6)-48
=(x²-5x)²+10(x²-5x)-24
=(x²-5x+12)(x²-5x-2)
=(x²-5x+4)(x²-5x+6)-48
=(x²-5x)²+10(x²-5x)-24
=(x²-5x+12)(x²-5x-2)
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询