x(x)-12x+4=0

Simple and best practice solution for x(x)-12x+4=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(x)-12x+4=0 equation:


Simplifying
x(x) + -12x + 4 = 0

Multiply x * x
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:

| 7y+2(y-8)=3(y+2)-5 | | 3m+12=2(m+2) | | 4x(4x)+12x-48=0 | | 15-8(6-4x)=63 | | bx+2a=3a-x | | 2m(m+3)=0 | | -5(3t-4)+4t=6t-6 | | bx-2=b+2x | | (4z-3)(8+z)=0 | | .05x-4(x+.5)=1.2 | | 7x+2=-2+4x+10 | | 0.08(y-6)+0.18y=0.02y-0.03(50) | | 8(x+9)+6=78 | | 39+22+90=180 | | 0.5x+0.35(70)=42.5 | | 22+39+90=180 | | x/5=2+x-13/6 | | 6u^2-31u+5=0 | | .20b+9=6 | | 2x+75+90=180 | | -3(x+3)-4=13 | | 0=-100x^3+9x^2+3000 | | (9x+3)=93 | | T^4-18t^2+81=0 | | -0.5x^2+36x-612=0 | | (4y-2)(4y+2)+(4y-2)(y+8)=0 | | 71y=14(5y+15) | | 3u^2-20u+25=0 | | 3x^4-2x^3+4x^2-7x-11=0 | | 8x+7=13+5x | | 15y-50=t | | y/6=.5 |

Equations solver categories