6x^2+9x+28=0

Simple and best practice solution for 6x^2+9x+28=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 6x^2+9x+28=0 equation:


Simplifying
6x2 + 9x + 28 = 0

Reorder the terms:
28 + 9x + 6x2 = 0

Solving
28 + 9x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
4.666666667 + 1.5x + x2 = 0

Move the constant term to the right:

Add '-4.666666667' to each side of the equation.
4.666666667 + 1.5x + -4.666666667 + x2 = 0 + -4.666666667

Reorder the terms:
4.666666667 + -4.666666667 + 1.5x + x2 = 0 + -4.666666667

Combine like terms: 4.666666667 + -4.666666667 = 0.000000000
0.000000000 + 1.5x + x2 = 0 + -4.666666667
1.5x + x2 = 0 + -4.666666667

Combine like terms: 0 + -4.666666667 = -4.666666667
1.5x + x2 = -4.666666667

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = -4.666666667 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = -4.666666667 + 0.5625

Combine like terms: -4.666666667 + 0.5625 = -4.104166667
0.5625 + 1.5x + x2 = -4.104166667

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = -4.104166667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3w-8w=-25 | | (16xy)(729xy)= | | 13x^2+3x-2=0 | | 3/4z-1/4z+3=2/4z+5 | | X-1.5(2.5x-3)=4.75 | | 24x^2-27x+1=0 | | y=log1/9 | | (12x^a/4x^5)^3=27x^12 | | 10w-19w=72 | | 16*3-4/16-3*4 | | -14+5p=3(p-8) | | 2[9-4(-4x-5)]=32x+58 | | 3z=12-36 | | cos(7/4) | | 6x-3+6x-3=10x+12 | | 7*14=l | | 4/6=x/1024 | | 22+x=4-7x | | 2y+10x=1 | | 7x^2+36x=0 | | X^2+12x-540=0 | | 125y-27xy= | | X^12-1x-12=0 | | 3b^2-12b=23 | | (5r+7)(5r-7)=0 | | 324-144x+21x^2-x^3=0 | | 3x-5+6=2x+10 | | 3x+3y+3z=3x | | 2.5y+5.62=5.8y-2.3 | | 3(2x+7)+5x=10 | | -[8x-(14x+7)]=(5x+0)-7 | | -8+2(-2-7a)=-110 |

Equations solver categories