3k2+8k+5=0

Simple and best practice solution for 3k2+8k+5=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 3k2+8k+5=0 equation: 



3k^2+8k+5=0

a = 3; b = 8; c = +5;
Δ = b2-4ac
Δ = 82-4·3·5
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$


$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(8)-2}{2*3}=\frac{-10}{6}
=-1+2/3
$


$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(8)+2}{2*3}=\frac{-6}{6}
=-1
$

See similar equations:

| –2c–7=1 | | 2x+4.2=13.4 | | 7x+2=4x+7,x | | 20x+17=47 | | 16u-19u+8u=-20 | | 6=8x-4x-4 | | 3(d+13)=-12 | | 9x/7=45 | | -6(-4+9r)=-246 | | 3x+10.5=23.4 | | 35z2+84z+49=0 | | 3(b-16)-19=-19 | | 100=45^4x | | 9v2-44v=0 | | 9x-11=8x-6 | | 6=4(y-6)-7y | | 7(3x+5)=7x+1 | | 9y2-315y=0 | | 19t-14t-5=20 | | -4x=-4x+3 | | -41=-3(2x+5)-8 | | 5-f=8 | | 5u2-29u-6=0 | | 8/10/3h=6/25 | | 20=6(v+6)-8v | | s2-18s+17=0 | | 2w2-23w+11=0 | | 5m-16m=11 | | -22=3(x-6)-5x | | -5r+11r+5=11 | | 10p2+3p-4=0 | | 19r-16r-2=19 |

Equations solver categories