3x^2+6x+4x=+8

Simple and best practice solution for 3x^2+6x+4x=+8 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+6x+4x=+8 equation:



3x^2+6x+4x=+8
We move all terms to the left:
3x^2+6x+4x-(+8)=0
We add all the numbers together, and all the variables
3x^2+6x+4x-8=0
We add all the numbers together, and all the variables
3x^2+10x-8=0
a = 3; b = 10; c = -8;
Δ = b2-4ac
Δ = 102-4·3·(-8)
Δ = 196
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{196}=14$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(10)-14}{2*3}=\frac{-24}{6} =-4 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(10)+14}{2*3}=\frac{4}{6} =2/3 $

See similar equations:

| 3(5x+4)-20=-13x-4 | | -8-8x=-2(4x+4) | | 9.1c-8.52=15.3c+19.38 | | 2x+7–23+3x=0 | | 8z-18-13=4+13z | | -10x+1=-139 | | b+2/3=-4/2 | | 80+.30x=50+.40x | | 4/5t+10=1/5t-5 | | d−8−/2=12. | | 7-18v=20v+20+15 | | -2(2n-3)=14 | | 89x+2)=64 | | 8x+10=162 | | b/3=7+10 | | 3+x/5=-14 | | -5(-1+4x)=-23-6x | | -19h-20=-16h+20+2h | | 10n-9=59 | | -4=7q+(3-8Q) | | 22.5=0.3x | | -12p+10=2p-4-16p | | 6k2+2k+9=0 | | -12+12t=-14 | | 3(x+1)=(2x-9) | | 8=3a​ +6 | | 6/x=16/8 | | 3w=4w-12 | | –d=–2d+10 | | 1+19y=-16+y+19y | | 6m+m-3=18 | | −3p+8=6−(8p+5) |

Equations solver categories