x^2-12x+3=0

Simple and best practice solution for x^2-12x+3=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+3=0 equation:


Simplifying
x2 + -12x + 3 = 0

Reorder the terms:
3 + -12x + x2 = 0

Solving
3 + -12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -12x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -12x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -12x + x2 = 0 + -3
-12x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-12x + x2 = -3

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 = -3 + 36

Reorder the terms:
36 + -12x + x2 = -3 + 36

Combine like terms: -3 + 36 = 33
36 + -12x + x2 = 33

Factor a perfect square on the left side:
(x + -6)(x + -6) = 33

Calculate the square root of the right side: 5.744562647

Break this problem into two subproblems by setting 
(x + -6) equal to 5.744562647 and -5.744562647.

Subproblem 1

x + -6 = 5.744562647 Simplifying x + -6 = 5.744562647 Reorder the terms: -6 + x = 5.744562647 Solving -6 + x = 5.744562647 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 = 5.744562647 + 6 Combine like terms: -6 + 6 = 0 0 + x = 5.744562647 + 6 x = 5.744562647 + 6 Combine like terms: 5.744562647 + 6 = 11.744562647 x = 11.744562647 Simplifying x = 11.744562647

Subproblem 2

x + -6 = -5.744562647 Simplifying x + -6 = -5.744562647 Reorder the terms: -6 + x = -5.744562647 Solving -6 + x = -5.744562647 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 = -5.744562647 + 6 Combine like terms: -6 + 6 = 0 0 + x = -5.744562647 + 6 x = -5.744562647 + 6 Combine like terms: -5.744562647 + 6 = 0.255437353 x = 0.255437353 Simplifying x = 0.255437353

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.744562647, 0.255437353}

See similar equations:

| -3o-8=-35 | | 1(x+2)+3=12 | | 5=b-2+4 | | -2x+4=-2 | | 5r+13=15 | | 8x-5w=-37 | | x=-3.3-7y | | 6m+4=22 | | 1.2c+2.6c=4.56 | | z-24=-9 | | 12c+2c=4.56 | | 10x-11=11x+6 | | n+23=-14 | | 3x^2-13x=0 | | -4(r+2)=4r(2-4r) | | .33x-3=1-.5x | | 6x-16=-2x+32 | | 4x+5=x+8 | | 9(24-4y)+5y=-1 | | 2x+1=x+5 | | 9=7x-13x-21 | | 54a^3-250=0 | | 18a^2=8 | | 7x+3=4x+15 | | 4a+13=9 | | 4x-3=2x-9 | | -3x+17=5 | | 5-13+17= | | 5x+3-3x=-7 | | 81-4b^2=0 | | 25p^2-16=0 | | 11x-9-7x=15 |

Equations solver categories