6X²-7X+1=0,5X²-18=9X,4X²-3X=52,5X²=4-2X
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/26 06:39:07
6X²-7X+1=0,5X²-18=9X,4X²-3X=52,5X²=4-2X 一元
6X²-7X+1=0,5X²-18=9X,4X²-3X=52,5X²=4-2X 一元二次方程
6X²-7X+1=0,5X²-18=9X,4X²-3X=52,5X²=4-2X 一元二次方程
![6X²-7X+1=0,5X²-18=9X,4X²-3X=52,5X²=4-2X](/uploads/image/z/793159-7-9.jpg?t=6X%26%23178%3B-7X%2B1%3D0%2C5X%26%23178%3B-18%3D9X%2C4X%26%23178%3B-3X%3D52%2C5X%26%23178%3B%3D4-2X)
![](http://img.wesiedu.com/upload/e/74/e7401a8f8f4f0a97e51d1e6e986b2e2e.jpg)
![](http://img.wesiedu.com/upload/7/4d/74da4778af988ea95945a75879aba21b.jpg)
再答:
![](http://img.wesiedu.com/upload/a/c7/ac771dbe66a7dcbcce4206aa3740a429.jpg)
再答:
![](http://img.wesiedu.com/upload/3/3a/33a43ce6ec6cf0ad3e60f642da3198ff.jpg)
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
4x²-{-3x²-[5x-x²-(2x²-x)]+4x},其中x=½
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
求代数式的值 6x+2x²-3x+x²+1 其中x=-5 4x+3xy-x²-9 其中x=
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
2x+3x+4x+5x+x+6x+7x=100
6x²-7x=1=0 5x²-18=9x 4x²-3x=52 5x²=4-2x
1x()+2x()+3x()+4x()+5x()+6x()+7x()+8x()加9x()+10x()=1980