(x^2-2x-21/8)=0

Simple and best practice solution for (x^2-2x-21/8)=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 (x^2-2x-21/8)=0 equation: 


x in (-oo:+oo)

x^2-(2*x)-(21/8) = 0

x^2-2*x-21/8 = 0

x^2-2*x-21/8 = 0

DELTA = (-2)^2-(-21/8*1*4)

DELTA = 29/2

DELTA > 0

x = ((29/2)^(1/2)+2)/(1*2) or x = (2-(29/2)^(1/2))/(1*2)

x = ((29/2)^(1/2)+2)/2 or x = (2-(29/2)^(1/2))/2

x in { (2-(29/2)^(1/2))/2, ((29/2)^(1/2)+2)/2 }

See similar equations:

| 6x^2+125=x^2 | | 9w-15w^2=0 | | 2sin^2(X)+3cos(X)-3=0 | | 5k-4=6 | | -84+7y=-14 | | 5x=7x-60 | | 2x^2+x^2=128 | | x+18+4x=-19-4x-2-26 | | F(x)=x^3-19x+30 | | x+18+44x=-19-4x-26 | | 2.4/1.8=7.2/k | | x+18+44x=-19-4x-2-26 | | 30/20=w/14 | | 2.2t+35.98= | | 9x-3+4x=8x-9 | | 2.2t+9.8+3.5= | | 20/16=d/12 | | 4/24=c/36 | | 9.8+3.5+2.2t= | | (3a+2)(a-5)=0 | | 12=4p | | 2.5x+1y=164 | | 3+2t+9= | | 3x+-3=21 | | mx+n=5m | | 3.5+2.2t+9.8= | | x/1.2=6 | | 12-6r=6r+36 | | 2.2+3.5+9.8t= | | X^2(x-2)=910 | | 9(-4x+16)=-12(-12+3x) | | -5x=6x-2 |

Equations solver categories