6x2=x+2

Simple and best practice solution for 6x2=x+2 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 6x2=x+2 equation:



6x^2=x+2
We move all terms to the left:
6x^2-(x+2)=0
We get rid of parentheses
6x^2-x-2=0
We add all the numbers together, and all the variables
6x^2-1x-2=0
a = 6; b = -1; c = -2;
Δ = b2-4ac
Δ = -12-4·6·(-2)
Δ = 49
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{49}=7$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-1)-7}{2*6}=\frac{-6}{12} =-1/2 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-1)+7}{2*6}=\frac{8}{12} =2/3 $

See similar equations:

| 2x/3-1/5=8 | | 360=(1/2)(12)(25+x) | | -9-7=6x+7-5x | | -3x2+5x-4=0 | | 3/8+x=11/8 | | 21/2+x=31/4 | | -9x2+12x-4=0 | | 5x-3(4x-3)=2(4-5x)+1 | | 4/6=10/n | | 4^(2x-1)=64 | | x-5+x/2=22 | | 2x/5+9/5=7x/5-5/6 | | 60-76x+12x^2=0 | | 2w-{3-(w-5}=1 | | 2x2-3x-9=0 | | 90=4/3×3.14r3 | | 5(n-3)=3(n+3) | | -y+y=0 | | 4x2+4x-7=0 | | 5(2+2x)-3+x(2)=22(x | | 1/2x+5/2x=0 | | 5.3x-2.58=-3.18-4.3x | | 12m+12=6(3m) | | 156=-4c+c^2 | | 3(h-5)=18 | | 10q-7=2q+9 | | -2r+-(6r)=0 | | 7t+-7t=0 | | 7t+7t=0 | | 10x+4=6x=9 | | 3(y-5)-6(3-2y)=4 | | 3.5+9x-2.7-1x=21.3-6x |

Equations solver categories