2x-x2-7=0

Simple and best practice solution for 2x-x2-7=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 2x-x2-7=0 equation: 



2x-x2-7=0

We add all the numbers together, and all the variables

-1x^2+2x-7=0

a = -1; b = 2; c = -7;
Δ = b2-4ac
Δ = 22-4·(-1)·(-7)
Δ = -24
Delta is less than zero, so there is no solution for the equation

See similar equations:

| -12=-6(-8n+6) | | 4(t+8)=76 | | 10-4c=18 | | 5-3x=-5x-2-3 | | 8+2r=6–4r. | | 4/x=2/x-8 | | 4=3t−11 | | ⅓(6x+9)-2=¼(12x-20)+2x | | 6(2c–4)=36 | | 4(t+8=76 | | 6(d-84)=54 | | 14=m/2+12 | | 35=a-19 | | -8=p–13 | | -2x-7-6=17 | | -4(-3x)=6x-8 | | –q−7=6q | | -x/3-18=-23 | | 10-3x=2-5x-2 | | 4y=23-y-6= | | 3t+3=-6 | | x=255+20 | | g/6-40=31 | | 54=9x;x=4 | | x=731+17 | | 1/7s=19 | | -5b+4=10-3b | | -6(g+78)=84 | | 1=-3m-1+ | | (3x+8)+90+(4x-2)=180 | | 7=j+31/10 | | 16=-10x+6x-4 |

Equations solver categories