x^2-5x/7-4=0

Simple and best practice solution for x^2-5x/7-4=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^2-5x/7-4=0 equation: 


x in (-oo:+oo)

x^2-((5*x)/7)-4 = 0

x^2+(-5/7)*x-4 = 0

x^2-5/7*x-4 = 0

DELTA = (-5/7)^2-(-4*1*4)

DELTA = 809/49

DELTA > 0

x = ((809/49)^(1/2)+5/7)/(1*2) or x = (5/7-(809/49)^(1/2))/(1*2)

x = ((809/49)^(1/2)+5/7)/2 or x = (5/7-(809/49)^(1/2))/2

x in { (5/7-(809/49)^(1/2))/2, ((809/49)^(1/2)+5/7)/2 }

See similar equations:

| 4(x-5)=6(x-1) | | Z/5-6=2.25 | | 2x-4=.5x+8 | | -1+b=4 | | 5x+1/2(x-3)=15 | | 20x=14x+18 | | 4w/3=8 | | -21=-7-s | | 10d+2=3d+65 | | 3/9=21/k | | T-8.9=.1 | | 7m+4m=65 | | b-2-8=-16 | | T-2.7=.8 | | Z^4=2-i | | 2n^2-n+11=0 | | x=9+8x | | 9(x-4)=-6.3 | | 15+2x+7+15+2x+7= | | 2r-r=4*6 | | -4x+3+4x= | | 2/7=1/9b | | 10x-15x^(2/3)=0 | | 3(a+6)=21.9 | | 1/2=5/10*1 | | 14-4w=2 | | -3(4-4x)=-72 | | 4(-8y+5)=32y-26 | | 1/2=5/10 | | 100m=90+m | | 4y^2+7=8 | | y(-12)+1=6 |

Equations solver categories