化简(a-1)(a+2)-(a+1)(a-2) (x-4)(x-2)- (x-1)(x+3) (x-2)(x-3)-(2x-1)(x+6)(3x-2)(2x-3)=(6x+5)(x-1)-1下面的是解方程1、(a-1)(a+2)-(a+1)(a-2) 2、(x-4)(x-2)- (x-1)(x+3) 、3、(x-2)(x-3)-
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 08:00:15
化简(a-1)(a+2)-(a+1)(a-2) (x-4)(x-2)- (x-1)(x+3) (x-2)(x-3)-(2x-1)(x+6)(3x-2)(2x-3)=(6x+5)(x-1)-1下面的是解方程1、(a-1)(a+2)-(a+1)(a-2) 2、(x-4)(x-2)- (x-1)(x+3) 、3、(x-2)(x-3)-
化简(a-1)(a+2)-(a+1)(a-2) (x-4)(x-2)- (x-1)(x+3) (x-2)(x-3)-(2x-1)(x+6)
(3x-2)(2x-3)=(6x+5)(x-1)-1
下面的是解方程
1、(a-1)(a+2)-(a+1)(a-2)
2、(x-4)(x-2)- (x-1)(x+3) 、
3、(x-2)(x-3)-(2x-1)(x+6)
化简(a-1)(a+2)-(a+1)(a-2) (x-4)(x-2)- (x-1)(x+3) (x-2)(x-3)-(2x-1)(x+6)(3x-2)(2x-3)=(6x+5)(x-1)-1下面的是解方程1、(a-1)(a+2)-(a+1)(a-2) 2、(x-4)(x-2)- (x-1)(x+3) 、3、(x-2)(x-3)-
(a-1)(a+2)-(a+1)(a-2)=a^2-2+a-a^2+2+a=2a
(x-4)(x-2)- (x-1)(x+3)=x^2+8-6x-x^2+3-2x=-8x+11
(x-2)(x-3)-(2x-1)(x+6)=x^2+6-5x-2x^2+6-11x=-x^2-16x+12
666
很简单,提公因式,提不了了就化开,没有什么技术含量,楼主不要懒
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