因式分解 (a方+b方-1)方-4a方b方1.(x方-x)方-14(x方-x)+242.(x方-5x)(x方-5x-2)-243.(x-y)n次方-(x-y)n-3次方4.(1-a方)(1-b方)-4ab

问题描述:

因式分解 (a方+b方-1)方-4a方b方
1.(x方-x)方-14(x方-x)+24
2.(x方-5x)(x方-5x-2)-24
3.(x-y)n次方-(x-y)n-3次方
4.(1-a方)(1-b方)-4ab