7a2+13a+6=0

Simple and best practice solution for 7a2+13a+6=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 7a2+13a+6=0 equation: 



7a^2+13a+6=0

a = 7; b = 13; c = +6;
Δ = b2-4ac
Δ = 132-4·7·6
Δ = 1
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1}=1$


$a_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(13)-1}{2*7}=\frac{-14}{14}
=-1
$


$a_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(13)+1}{2*7}=\frac{-12}{14}
=-6/7
$

See similar equations:

| x+13=5(x-1) | | 4x+11=24 | | 1/2x-3/2-5/2=0 | | 16x+52=24 | | 0.6+4.3=4.9x | | 9x-9+7x19=180 | | 2.7=1.9/x | | x-30=2(2+1) | | 5(+2x)-(8x-12)=68 | | k-3k=6k+5-8k= | | 24-4x=68 | | 3(2x-2)-4(x+7)=4 | | 9x-9+7x+19=180 | | -12x-10=-101 | | X2+2p-78=2 | | 6x=13x-56 | | 3x+2-11=0 | | 5x+1+44=90 | | -1/2x-7=9 | | w2-100=0 | | 3a+1=-3.6(a-1)= | | 15-5x=36 | | -6+3x=1x-2+4x | | 6.2=4-2m | | 3a+21=-15 | | y2+18y+81=0 | | j=1+3j | | 35+.8x=43-(-7)x | | 4.3d+7.5=5.9d | | 2.54=c | | -.25a-4=1.4a-3 | | 2x-1=-5÷3 |

Equations solver categories