3x^2+8x+8=

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


Simplifying
3x2 + 8x + 8 = 0

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

Solving
8 + 8x + 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 + 2.666666667x + x2 = 0

Move the constant term to the right:

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

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

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

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

The x term is 2.666666667x.  Take half its coefficient (1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
2.666666667x + 1.777777780 + x2 = -2.666666667 + 1.777777780

Reorder the terms:
1.777777780 + 2.666666667x + x2 = -2.666666667 + 1.777777780

Combine like terms: -2.666666667 + 1.777777780 = -0.888888887
1.777777780 + 2.666666667x + x2 = -0.888888887

Factor a perfect square on the left side:
(x + 1.333333334)(x + 1.333333334) = -0.888888887

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6x+(3x+9)=90 | | Y+3=9 | | -7(d-3)=-4 | | -8u+3=2(-4u-5) | | 5(2+y)+2=77 | | 7x+6=3x-8 | | 12+-2b=12 | | -4.6x+4=-1.5x-2.2 | | 0.25x^2-15x=0 | | 0.6(x^2)-21x+180=0 | | -6(x+9)+6=-48 | | 2v-7v=-14+9 | | 4x^2+6=22 | | x^2-290x-90200=0 | | b(5b+3)-1=b^2+3(b+5) | | (4/3)=y-(2/3) | | 3.2-1.7+5.5=10 | | A-6a-9=30 | | a+2b=12 | | 5x+21=0 | | 2(4x-22)=-28 | | 2a+11/3=a+5 | | 4x+6=2x+7 | | 8X+22=4X+74 | | 2x+8=6x+(-12) | | -7=-3u+11 | | 2y-2=2-3y+6 | | -10x-3+2(5+6x)-9x-3-(1-x)=0 | | 8-9X=203-44X | | -15y-30=-5(3y+6) | | 6x-7=24x+5 | | x-(1/5)=(1/8) |

Equations solver categories