6x^2+13x+18=0

Simple and best practice solution for 6x^2+13x+18=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+13x+18=0 equation:


Simplifying
6x2 + 13x + 18 = 0

Reorder the terms:
18 + 13x + 6x2 = 0

Solving
18 + 13x + 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'.
3 + 2.166666667x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 2.166666667x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 2.166666667x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2.166666667x + x2 = 0 + -3
2.166666667x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
2.166666667x + x2 = -3

The x term is 2.166666667x.  Take half its coefficient (1.083333334).
Square it (1.173611113) and add it to both sides.

Add '1.173611113' to each side of the equation.
2.166666667x + 1.173611113 + x2 = -3 + 1.173611113

Reorder the terms:
1.173611113 + 2.166666667x + x2 = -3 + 1.173611113

Combine like terms: -3 + 1.173611113 = -1.826388887
1.173611113 + 2.166666667x + x2 = -1.826388887

Factor a perfect square on the left side:
(x + 1.083333334)(x + 1.083333334) = -1.826388887

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4(5r-4)=-56 | | 15x^2+2x+32= | | y/12=-7 | | 135-4x=23x+24 | | (3x-1/5)-(7-x/3)=2x+6 | | 15x-5=30x+5 | | x^2-14+85=0 | | 3+x=15-9 | | 2(3x+5)=-30+4 | | 3x^2-2x-6= | | 8y-8-6y-3= | | x+1=6x+16 | | P(x)=x^3+5x^2-4x-2 | | 9/2m=1/2 | | x+10=2x+2 | | -.4x-.8x+5=-7 | | 1/5=4/7+y | | -.4x-.8+5=-7 | | 2y=7/9 | | 24x+19=245 | | X^3-2x+5=0 | | 106x-6x=3x+8 | | (-4)*(-4)*(-4)*(-4)*(-4)*(-4)*(-4)= | | 4(x+17)=x+77 | | 6(2x-3)-4=-70 | | (X-7)2=-25 | | 3x-2+5x=-3x | | 5/4t=15 | | (-4)*(-4)*(-4)*(-4)*(-4)*(-4)= | | 3/4t=9 | | 61x-37=74 | | 11x-8=22x+146 |

Equations solver categories