5k^2+9k+1=0

Simple and best practice solution for 5k^2+9k+1=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 5k^2+9k+1=0 equation: 



5k^2+9k+1=0

a = 5; b = 9; c = +1;
Δ = b2-4ac
Δ = 92-4·5·1
Δ = 61
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-\sqrt{61}}{2*5}=\frac{-9-\sqrt{61}}{10}
$


$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{61}}{2*5}=\frac{-9+\sqrt{61}}{10}
$

See similar equations:

| u-36=7 | | 15y2=3y | | (2/3)(6x+18)=-9x+2-2x | | 9u-7u-u+3=13 | | 8x^2+7x+8=0 | | 19x-15=112+x | | 17q-4q-2q-10q+2=9 | | 28=40-y | | 6t-3t+3t=18 | | 18w-w+5w-13w-7=20 | | -220+25m=-10m+480 | | 5+8(x+3)=6-(12-5x) | | 3w-2w+w-2=20 | | 3x-13=-17 | | 12s-3s-2s-2s-2s=18 | | 12g-9g=18 | | 4=48.5h+6 | | 6x-18=27-3x | | 6t-3t=15 | | h=48.5h+6 | | 28n-14n-9n-n-2=18 | | (-x^2/900)+(2x/3)=60 | | 4c+2c-c+3=18 | | 13w-9w=20W= | | 4t+4t-7t+2=18 | | 8a-3=2a+15 | | 23=8-3u | | 6t-3t+6t-9=9 | | x=4.5*12-2 | | 5c—6c—11=-11 | | 9x-7x-2x+2x=2 | | 40-9x+16=9x+16 |

Equations solver categories