3x^2+2x+8=0factor

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


Simplifying
3x2 + 2x + 8 = 0factor

Reorder the terms:
8 + 2x + 3x2 = 0factor

Anything times zero is zero.
8 + 2x + 3x2 = 0acfort

Solving
8 + 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'.
2.666666667 + 0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + 0.6666666667x + -2.666666667 + x2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + 0.6666666667x + x2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + 0.6666666667x + x2 = 0 + -2.666666667
0.6666666667x + x2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
0.6666666667x + x2 = -2.666666667

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 = -2.666666667 + 0.1111111112

Reorder the terms:
0.1111111112 + 0.6666666667x + x2 = -2.666666667 + 0.1111111112

Combine like terms: -2.666666667 + 0.1111111112 = -2.5555555558
0.1111111112 + 0.6666666667x + x2 = -2.5555555558

Factor a perfect square on the left side:
(x + 0.3333333334)(x + 0.3333333334) = -2.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6a-7+15=3a-6 | | (8v+5)(3v-5)=0 | | 12x-9x^2=-2 | | -4(-3x-3)=72 | | 16x-6=3(5x+3)-3 | | 4a-12+2=2a-10 | | 5(x+8)-2=8(x+3)-1 | | x=11.5+3x | | 19.5/20=x/4 | | 0.065(x+4000)=0.08x+0.04(2000) | | -4x-7=-3 | | -4a+14+9a=5a+2-a | | 5(-3x+1)=-40 | | 6x+5-3(x+1)=9x+7 | | 5k+6=2k+12 | | 7x+3y=44 | | 8/z^2-3/z^3 | | 6(t-6)+8t=7(2t+4)-8 | | 5(-53/4x)=-65/2 | | 28y=39(9y-6) | | 2.94x^2-24.99x-13.23=0 | | (63x^9)/9 | | 5y+1.8-4y=-3.2 | | x=2.5+3y | | x-3+4x=-7x-5x | | 8x-4y-2y+7x+10= | | 0.2(30)=0.4(50+x)-0.8x | | 2/3(8+4x)=104/3 | | 1/7x+3/4x | | 3/5x=1/2x+2 | | b+4b+8=16b+4 | | 4/5n+3-2/3n=1/2-3n |

Equations solver categories