2x2+9x+3=0

Simple and best practice solution for 2x2+9x+3=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 2x2+9x+3=0 equation: 



2x^2+9x+3=0

a = 2; b = 9; c = +3;
Δ = b2-4ac
Δ = 92-4·2·3
Δ = 57
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(9)-\sqrt{57}}{2*2}=\frac{-9-\sqrt{57}}{4}
$


$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(9)+\sqrt{57}}{2*2}=\frac{-9+\sqrt{57}}{4}
$

See similar equations:

| X²+40x-7000=0 | | 2(x+1)/4=1/5 | | 5z2+2z+10=0 | | 16/9=(-4t)/27 | | C=12h+10 | | 2m^2+4m+30=0 | | (90+a)+3a=360 | | 2x-3=3- | | -12.1=-2.2y | | 6/x-2/x+3=3(x+5)/x2+3x | | 3x-2/3+4x-3/4+1=0 | | 2x-3=3- | | 3b+b=-16 | | x/100=40,5 | | 3x-30+x+3x-28=33 | | 1/x-2+3/x+3=4x2+x-6 | | 3x-2(1-x)=4x-2 | | 35/6=5n/6 | | 1/16÷3√2=2n | | 1(x+1+2x+x)=1.80x | | 116÷3√2=2n | | 4r^2-8r+2=0 | | -80=-16t+8t | | 98=x+180 | | 98=c | | 120=x+180 | | y=1+0.01y2 | | 2(x+7)=6x+9+-4x | | 3p-5p= | | 5/6y+1=−12y+9 | | x+0.7x=1 | | 0=8000t²-200t+800000 |

Equations solver categories