x^2-12x+4=

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


Simplifying
x2 + -12x + 4 = 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:

| -7/2=-1/5v-7/3 | | -(w+2)=-6W+32 | | (-2c+d/8c)+1 | | 0.25(2x-9)=7 | | (x+a)(x+b)=x^2-100x+25 | | 2x=7x-35 | | 2x^4+5x^2+9=0 | | 4y=6x+2 | | 21=-3(22-m)+2(m-4) | | 34x+56=5x-125 | | 120=-6t^2+6t+120 | | 120=-6t+6t+120 | | 20x^2-50x+30=0 | | x+3x+10=90 | | x+1/2=-10 | | x+(3x+10)=180 | | 4x^3-6x^2-x+3=0 | | -y/7=-4/3 | | 4(5-w/3)=-w | | W=h+5 | | -2/5(10(x-5))=9 | | 2/5(x-4)=3x | | 14b=-55 | | 38-2x=9x-6 | | -40+b=-3 | | 4x^2+x+8=0 | | (-3-7i)(2+i)= | | -12-8-3x+10=2x-9+6x | | 2x^2-11x=-14 | | 18+c= | | -4sqrtx+2+3=9 | | -p=50 |

Equations solver categories