化简系列x方程(x-2)(x-3)+(x-2)(x-3)^2+(x-2)(x-3)+1+(x-2)[(x-3)^2+(x-2)(x-3)(x-4)+(x-3)^2]+(x-2)(x-3)+1 +(x-2)(x-3)^2+(x-2)(x-3)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 18:11:11
化简系列x方程(x-2)(x-3)+(x-2)(x-3)^2+(x-2)(x-3)+1+(x-2)[(x-3)^2+(x-2)(x-3)(x-4)+(x-3)^2]+(x-2)(x-3)+1 +(x-2)(x-3)^2+(x-2)(x-3)

化简系列x方程(x-2)(x-3)+(x-2)(x-3)^2+(x-2)(x-3)+1+(x-2)[(x-3)^2+(x-2)(x-3)(x-4)+(x-3)^2]+(x-2)(x-3)+1 +(x-2)(x-3)^2+(x-2)(x-3)
化简系列x方程
(x-2)(x-3)+(x-2)(x-3)^2+(x-2)(x-3)+1+(x-2)[(x-3)^2+(x-2)(x-3)(x-4)+(x-3)^2]+(x-2)(x-3)+1 +(x-2)(x-3)^2+(x-2)(x-3)

化简系列x方程(x-2)(x-3)+(x-2)(x-3)^2+(x-2)(x-3)+1+(x-2)[(x-3)^2+(x-2)(x-3)(x-4)+(x-3)^2]+(x-2)(x-3)+1 +(x-2)(x-3)^2+(x-2)(x-3)
原式=(x-2)(x-3){1+(x-3)+1+(x-3)+[(x-3)+(x-2)(x-4)+(x-3)]+1+(x-3)+1]}+2.
=(x-2)(x-3)(x^2-2x)+2.
=x(x-1)(x-2)(x-3)+2

展开: 2 - 12 x + 16 x^2 - 7 x^3 + x^4
因式分解: (-1 + x) (-2 + 10 x - 6 x^2 + x^3)