x^2+4-12x=0

Simple and best practice solution for x^2+4-12x=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+4-12x=0 equation:


Simplifying
x2 + 4 + -12x = 0

Reorder the terms:
4 + -12x + x2 = 0

Solving
4 + -12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -12x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -12x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -12x + x2 = 0 + -4
-12x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-12x + x2 = -4

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 = -4 + 36

Reorder the terms:
36 + -12x + x2 = -4 + 36

Combine like terms: -4 + 36 = 32
36 + -12x + x2 = 32

Factor a perfect square on the left side:
(x + -6)(x + -6) = 32

Calculate the square root of the right side: 5.656854249

Break this problem into two subproblems by setting 
(x + -6) equal to 5.656854249 and -5.656854249.

Subproblem 1

x + -6 = 5.656854249 Simplifying x + -6 = 5.656854249 Reorder the terms: -6 + x = 5.656854249 Solving -6 + x = 5.656854249 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 = 5.656854249 + 6 Combine like terms: -6 + 6 = 0 0 + x = 5.656854249 + 6 x = 5.656854249 + 6 Combine like terms: 5.656854249 + 6 = 11.656854249 x = 11.656854249 Simplifying x = 11.656854249

Subproblem 2

x + -6 = -5.656854249 Simplifying x + -6 = -5.656854249 Reorder the terms: -6 + x = -5.656854249 Solving -6 + x = -5.656854249 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 = -5.656854249 + 6 Combine like terms: -6 + 6 = 0 0 + x = -5.656854249 + 6 x = -5.656854249 + 6 Combine like terms: -5.656854249 + 6 = 0.343145751 x = 0.343145751 Simplifying x = 0.343145751

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.656854249, 0.343145751}

See similar equations:

| 5x-7+11-2x=x | | x^2+4-13x=0 | | 5+x=4+2x | | 4-(2x-5)=14 | | 63=6-3(x+8) | | -10=2(4+3x) | | 11(8k-10)=66 | | .20(2y-1)-2=.5(3y-1)-2 | | 3(2x+1)=8x-9 | | Y=-x^2-6x-12 | | 5x+17=12x+52 | | 2x+4-10x=-20 | | m=-2.6+0.6m(-3) | | -12x-17=-79 | | .15X=410+Y | | (8y+3)(2y-3)= | | 6x3/5 | | 3b^2+8=-5b | | 6n-6n=0 | | 3x-4=-2(x-5) | | A+9a=0 | | 6x-5x+1=x+2 | | -3x+7=7x+14 | | -24w=12 | | 3(2x-3)=3x-6 | | .333(y+4)+5=.25(3y-1)-2 | | 3x+30=2(5x+1) | | 5x-10=13x+40 | | -31=4(2x-2)+1 | | .33333333(y+4)+5=.25(3y-1)-2 | | abs(4x-5)=abs(5x-2) | | 5-4=2y |

Equations solver categories