(x-1-(x+1分之8))÷(x²-1分之x²+2x-3)化简![x-1-(x+1分之8)]÷(x²-1分之x²+2x-3)化简、、速度、、
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/29 23:54:40
![(x-1-(x+1分之8))÷(x²-1分之x²+2x-3)化简![x-1-(x+1分之8)]÷(x²-1分之x²+2x-3)化简、、速度、、](/uploads/image/z/246936-48-6.jpg?t=%28x-1-%28x%2B1%E5%88%86%E4%B9%8B8%29%29%C3%B7%28x%26%23178%3B-1%E5%88%86%E4%B9%8Bx%26%23178%3B%2B2x-3%29%E5%8C%96%E7%AE%80%21%5Bx-1-%28x%2B1%E5%88%86%E4%B9%8B8%29%5D%C3%B7%28x%26%23178%3B-1%E5%88%86%E4%B9%8Bx%26%23178%3B%2B2x-3%29%E5%8C%96%E7%AE%80%E3%80%81%E3%80%81%E9%80%9F%E5%BA%A6%E3%80%81%E3%80%81)
(x-1-(x+1分之8))÷(x²-1分之x²+2x-3)化简![x-1-(x+1分之8)]÷(x²-1分之x²+2x-3)化简、、速度、、
(x-1-(x+1分之8))÷(x²-1分之x²+2x-3)化简!
[x-1-(x+1分之8)]÷(x²-1分之x²+2x-3)化简、、速度、、
(x-1-(x+1分之8))÷(x²-1分之x²+2x-3)化简![x-1-(x+1分之8)]÷(x²-1分之x²+2x-3)化简、、速度、、
原式=[(x+1)(x-1)-8]/(x+1)÷(x+3)(x-1)/(x+1)(x-1)
=(x²-9)/(x+1)÷(x+3)/(x+1)
=(x+3)(x-3)/(x+1)*(x+1)/(x+3)
=x-3