(x^2)+12x+5=0

Simple and best practice solution for (x^2)+12x+5=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 (x^2)+12x+5=0 equation:


Simplifying
(x2) + 12x + 5 = 0
x2 + 12x + 5 = 0

Reorder the terms:
5 + 12x + x2 = 0

Solving
5 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + 12x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + 12x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 12x + x2 = 0 + -5
12x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
12x + x2 = -5

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -5 + 36

Reorder the terms:
36 + 12x + x2 = -5 + 36

Combine like terms: -5 + 36 = 31
36 + 12x + x2 = 31

Factor a perfect square on the left side:
(x + 6)(x + 6) = 31

Calculate the square root of the right side: 5.567764363

Break this problem into two subproblems by setting 
(x + 6) equal to 5.567764363 and -5.567764363.

Subproblem 1

x + 6 = 5.567764363 Simplifying x + 6 = 5.567764363 Reorder the terms: 6 + x = 5.567764363 Solving 6 + x = 5.567764363 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 5.567764363 + -6 Combine like terms: 6 + -6 = 0 0 + x = 5.567764363 + -6 x = 5.567764363 + -6 Combine like terms: 5.567764363 + -6 = -0.432235637 x = -0.432235637 Simplifying x = -0.432235637

Subproblem 2

x + 6 = -5.567764363 Simplifying x + 6 = -5.567764363 Reorder the terms: 6 + x = -5.567764363 Solving 6 + x = -5.567764363 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -5.567764363 + -6 Combine like terms: 6 + -6 = 0 0 + x = -5.567764363 + -6 x = -5.567764363 + -6 Combine like terms: -5.567764363 + -6 = -11.567764363 x = -11.567764363 Simplifying x = -11.567764363

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.432235637, -11.567764363}

See similar equations:

| -3(r+9)=-43 | | H(t)=16t^2+32t+16 | | (7)(7)-(5)(7)+c=0 | | 15x-5=3(5x+1) | | -8(7)+5+10(7)=19 | | solvec+k=gfork | | 100+30x=400-20x | | c+k=g | | 3x+32x-3=7(5x+8) | | -8x+5+10x=19 | | 49x^2+22=23 | | (x)(x)-4x-32=0 | | 21=8x-32 | | 2x-5y-2(2x+3y)-y= | | 4x+24x-6=7(4x+8) | | 7+w=2w+10 | | -4(3)+10=3(3)-11 | | 3=48/m | | n+(n+24)=90 | | 50q+6=68 | | 9x-1=-1x+49 | | 25t=500 | | 110x-66=11(10x-6) | | 4x^2+12-27=0 | | 4(x+1)=3x-4 | | (-x)(-x)=-4x-32 | | 2d^2+d-10=0 | | B-4+6b=29 | | 20x^2-2x-6=0 | | 44x+82=44x+35 | | 3(x+6)=6 | | (2x)(2x)-5x+1=4 |

Equations solver categories