3x^2+4+8x=0

Simple and best practice solution for 3x^2+4+8x=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 3x^2+4+8x=0 equation: 



3x^2+4+8x=0

a = 3; b = 8; c = +4;
Δ = b2-4ac
Δ = 82-4·3·4
Δ = 16
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{16}=4$


$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(8)-4}{2*3}=\frac{-12}{6}
=-2
$


$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(8)+4}{2*3}=\frac{-4}{6}
=-2/3
$

See similar equations:

| 3r-18+3r=6r-18 | | 5r=r+8 | | 14-8=3t-2t+5t | | 2(3x+1)=4(3-x) | | 3(2x+5)+2(3-x)=5 | | 3x-x+10=2 | | 3x-x+1=2 | | 5+2(2x+3)=6 | | 1000*q=3.5163 | | M=t/5.4 | | x+½x+¼x+1=100 | | r-5=2√2 | | 5/2x-1-9/3x-2=0 | | 7p=35p= | | 10(x-5)=15-3x | | 6x-5=115-9x | | 11x+2=2x+65 | | 4x(5+7)=32 | | 2(3-3x)=4(x-2) | | 21x+8-25x=2-6 | | 8w-16w=-56 | | -7=2x1 | | 17(2-x)-5(x+12)÷1-7x=8 | | -6-7=10x+4-9x | | 2w-10w=72 | | 2w-10w=72w= | | 4(x*7)=1/2 | | 4(c*7)=1/2 | | 7x-12=-4 | | -4(3)=48/y+12 | | (6+y)2=12(-2) | | 5x+2=3x+12) |

Equations solver categories