2x+3x^2+6=0

Simple and best practice solution for 2x+3x^2+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 2x+3x^2+6=0 equation:


Simplifying
2x + 3x2 + 6 = 0

Reorder the terms:
6 + 2x + 3x2 = 0

Solving
6 + 2x + 3x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
2 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + 0.6666666667x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + 0.6666666667x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 0.6666666667x + x2 = 0 + -2
0.6666666667x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
0.6666666667x + x2 = -2

The x term is 0.6666666667x.  Take half its coefficient (0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
0.6666666667x + 0.1111111112 + x2 = -2 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -2 + 0.1111111112

Combine like terms: -2 + 0.1111111112 = -1.8888888888
0.1111111112 + 0.6666666667x + x2 = -1.8888888888

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -1.8888888888

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2x-7y=21 | | 6j+15=5j-3 | | -2-3y=-8 | | 5r-3r=4 | | d/0.2=3d+21 | | 6x-4w+4x+9y+5y+2w= | | 3x-1=1x-50 | | 20x^2-8x+5xy-2y=0 | | 4t-3t+t= | | 16p^4+4p^6=0 | | 18j-6=156 | | 20-8x=-30-6x | | x-3(-2)=-8 | | 3x+12y=72 | | 12+3x=75 | | 11x-13=199 | | 3X^2-8X+3=2 | | 200x=5000 | | 15-3q=6 | | 2x+39=11x+-69 | | n+14=32 | | 3/4-x=0 | | 12y-5=43 | | 3(4x-2)=88 | | 0,1x=-1 | | 3,6x=-3,6 | | y=-1.5x^2+12x-10.5 | | 40=w+2/15 | | y-110=-11.5(x-0) | | y+6=-2(x+1) | | 87+15x=20x-43 | | 26=10b+6 |

Equations solver categories