2k^2-2/7k-7

Simple and best practice solution for 2k^2-2/7k-7 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 2k^2-2/7k-7 equation: 


k in (-oo:+oo)

2*k^2-((2/7)*k)-7 = 0

2*k^2+(-2/7)*k-7 = 0

2*k^2-2/7*k-7 = 0

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

DELTA = 2748/49

DELTA > 0

k = ((2748/49)^(1/2)+2/7)/(2*2) or k = (2/7-(2748/49)^(1/2))/(2*2)

k = ((2748/49)^(1/2)+2/7)/4 or k = (2/7-(2748/49)^(1/2))/4

k in { (2/7-(2748/49)^(1/2))/4, ((2748/49)^(1/2)+2/7)/4 }

See similar equations:

| 3n-10=-3 | | 14x=-29 | | 3[5x-4(x+3)]+21=2(x-17) | | 3x-15=6x+1 | | 19x^2-18=0 | | -4-3y=-7 | | 90m+12n-5m+3n+95= | | 100/150=x/230 | | (2x-8)(5x+2x)=0 | | 2*(-2)-3(-1)=-7 | | 2*(-2)-3(-1)= | | 135=9x | | 18a^3+24a^2+8a=0 | | (3w-5)/5=(2w+4)/7 | | 2(343x)+5=91 | | 3x-3=11+99 | | 17+8=3w-5-2w | | ln(x-2)=1.5 | | ln(x-3)=1.5 | | 49b^2-112b+64=0 | | 11b+12b+a-2c= | | 6x-72=0 | | 6a-8-4a-2= | | 9n-9=5n+27 | | 7n-2=4n+12 | | 4+a=-11 | | 3w^3-21w^2=54w | | -4y+2+9-4y-4(-3y+5)= | | -m-6=1-2m | | -2x^5+12x^4=0 | | 3(-2x-1)-2x+6= | | 123*256=x |

Equations solver categories