12x^2-72x+80=52.514

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Solution for 12x^2-72x+80=52.514 equation:


Simplifying
12x2 + -72x + 80 = 52.514

Reorder the terms:
80 + -72x + 12x2 = 52.514

Solving
80 + -72x + 12x2 = 52.514

Solving for variable 'x'.

Reorder the terms:
80 + -52.514 + -72x + 12x2 = 52.514 + -52.514

Combine like terms: 80 + -52.514 = 27.486
27.486 + -72x + 12x2 = 52.514 + -52.514

Combine like terms: 52.514 + -52.514 = 0.000
27.486 + -72x + 12x2 = 0.000

Begin completing the square.  Divide all terms by
12 the coefficient of the squared term: 

Divide each side by '12'.
2.2905 + -6x + x2 = 0.000

Move the constant term to the right:

Add '-2.2905' to each side of the equation.
2.2905 + -6x + -2.2905 + x2 = 0.000 + -2.2905

Reorder the terms:
2.2905 + -2.2905 + -6x + x2 = 0.000 + -2.2905

Combine like terms: 2.2905 + -2.2905 = 0.0000
0.0000 + -6x + x2 = 0.000 + -2.2905
-6x + x2 = 0.000 + -2.2905

Combine like terms: 0.000 + -2.2905 = -2.2905
-6x + x2 = -2.2905

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -2.2905 + 9

Reorder the terms:
9 + -6x + x2 = -2.2905 + 9

Combine like terms: -2.2905 + 9 = 6.7095
9 + -6x + x2 = 6.7095

Factor a perfect square on the left side:
(x + -3)(x + -3) = 6.7095

Calculate the square root of the right side: 2.590270256

Break this problem into two subproblems by setting 
(x + -3) equal to 2.590270256 and -2.590270256.

Subproblem 1

x + -3 = 2.590270256 Simplifying x + -3 = 2.590270256 Reorder the terms: -3 + x = 2.590270256 Solving -3 + x = 2.590270256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 2.590270256 + 3 Combine like terms: -3 + 3 = 0 0 + x = 2.590270256 + 3 x = 2.590270256 + 3 Combine like terms: 2.590270256 + 3 = 5.590270256 x = 5.590270256 Simplifying x = 5.590270256

Subproblem 2

x + -3 = -2.590270256 Simplifying x + -3 = -2.590270256 Reorder the terms: -3 + x = -2.590270256 Solving -3 + x = -2.590270256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -2.590270256 + 3 Combine like terms: -3 + 3 = 0 0 + x = -2.590270256 + 3 x = -2.590270256 + 3 Combine like terms: -2.590270256 + 3 = 0.409729744 x = 0.409729744 Simplifying x = 0.409729744

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.590270256, 0.409729744}

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