2x^2+12x+23=0

Simple and best practice solution for 2x^2+12x+23=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^2+12x+23=0 equation:


Simplifying
2x2 + 12x + 23 = 0

Reorder the terms:
23 + 12x + 2x2 = 0

Solving
23 + 12x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
11.5 + 6x + x2 = 0

Move the constant term to the right:

Add '-11.5' to each side of the equation.
11.5 + 6x + -11.5 + x2 = 0 + -11.5

Reorder the terms:
11.5 + -11.5 + 6x + x2 = 0 + -11.5

Combine like terms: 11.5 + -11.5 = 0.0
0.0 + 6x + x2 = 0 + -11.5
6x + x2 = 0 + -11.5

Combine like terms: 0 + -11.5 = -11.5
6x + x2 = -11.5

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -11.5 + 9

Reorder the terms:
9 + 6x + x2 = -11.5 + 9

Combine like terms: -11.5 + 9 = -2.5
9 + 6x + x2 = -2.5

Factor a perfect square on the left side:
(x + 3)(x + 3) = -2.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5x+7y-9(5x-2y+9z)= | | -2+8(-2)-5= | | 8+5(z-3)= | | 0=-8-4x-1 | | 5(2-4x)-1=7(1-3x)+12 | | 5y^2-2y-72=0 | | 4x+9+6=-101 | | 3(0)+12x=21 | | -5(v+4)+2v+5=5v+12 | | 3y+12x=21 | | 3x+8x-(6x+9)= | | -(x+2)=-6+11 | | 4/10/5/2 | | 3u+8u+5=0 | | 4(4)-9y=25 | | 1/2-1/x=3 | | -9(v-6)=6v-36 | | x-8=-7+5 | | 2/5x=4/10 | | 85=9a+3b | | 13/14*x=130 | | C=35+0.75Y | | 11A=18A+21 | | 6x^2-13xy^2+2y^4=0 | | 19t=8v(q-2h) | | 3x+9x-(7x+7)= | | -5x-5/3=5/4x-3/2 | | 12-7x-x^2=0 | | 6x+10+5x=-56 | | -8-4X=1 | | 29-(x+6)=8x-4 | | .5(y+1)=.25(y+6) |

Equations solver categories