6x加6x等于多少钱
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/30 12:24:04
x^2+6x-1=0用求根公式x=(-6±√36+4)/2x=-3±√10
1/(x+5)-1/(x+6)=1/(x+7)+1/(x+8)1/(x+5)-1/(x+7)=1/(x+8)-1/(x+6)2/(x+5)(x+7)=2/(x+8)(x+6)(x+5)(x+7)=(x
1/(x+4)-1/(x+7)=1/(x+3)-1/(x+6)(x+3)(x+6)(x+7)-(x+3)(x-6)(x+4)=(x+4)(x+7)(x+6)-(x+4)(x+7)(x+3)(x+3)(
X+6X=567X=56X=8
X=135
Δ=36-4=32x=2分之(6加减4根号2)x=3加减2根号2
x+(1/5)x=6两边同时乘以5,得5x+x=306x=30x=5
对再答:求采纳
6x²-7x+1=0(x-1)(6x-1)=0x=1,x=1/6再问:能详细一点吗谢谢再答:6x^2-6x-x+1=06x(x-1)-(x-1)=0(x-1)(6x-1)=0
(x-1)(x+2)(x+3)(x+6)+20=0(x-1)(x+6)(x+2)(x+3)+20=0(x^2+5x-6)(x^2+5x+6)+20=0(x^2+5x)^2-36+20=0(x^2+5x
x=59又
@44.001
6(X+15)=906X+90=906X=90-90X=0
6X+20=4X+406X-4X=40-202X=20X=10
(x+8)/(x+7)+(x+9)/(x+8)=(x+7)/(x+6)+(x+10)/(x+9)(x+8)/(x+7)-(x+7)/(x+6)=(x+10)/(x+9)-(x+9)/(x+8)1+1/
3*x+6=83x=2x=2/3