12x^2-48x+47=0

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Solution for 12x^2-48x+47=0 equation:


Simplifying
12x2 + -48x + 47 = 0

Reorder the terms:
47 + -48x + 12x2 = 0

Solving
47 + -48x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
3.916666667 + -4x + x2 = 0

Move the constant term to the right:

Add '-3.916666667' to each side of the equation.
3.916666667 + -4x + -3.916666667 + x2 = 0 + -3.916666667

Reorder the terms:
3.916666667 + -3.916666667 + -4x + x2 = 0 + -3.916666667

Combine like terms: 3.916666667 + -3.916666667 = 0.000000000
0.000000000 + -4x + x2 = 0 + -3.916666667
-4x + x2 = 0 + -3.916666667

Combine like terms: 0 + -3.916666667 = -3.916666667
-4x + x2 = -3.916666667

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -3.916666667 + 4

Reorder the terms:
4 + -4x + x2 = -3.916666667 + 4

Combine like terms: -3.916666667 + 4 = 0.083333333
4 + -4x + x2 = 0.083333333

Factor a perfect square on the left side:
(x + -2)(x + -2) = 0.083333333

Calculate the square root of the right side: 0.288675134

Break this problem into two subproblems by setting 
(x + -2) equal to 0.288675134 and -0.288675134.

Subproblem 1

x + -2 = 0.288675134 Simplifying x + -2 = 0.288675134 Reorder the terms: -2 + x = 0.288675134 Solving -2 + x = 0.288675134 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 0.288675134 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0.288675134 + 2 x = 0.288675134 + 2 Combine like terms: 0.288675134 + 2 = 2.288675134 x = 2.288675134 Simplifying x = 2.288675134

Subproblem 2

x + -2 = -0.288675134 Simplifying x + -2 = -0.288675134 Reorder the terms: -2 + x = -0.288675134 Solving -2 + x = -0.288675134 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -0.288675134 + 2 Combine like terms: -2 + 2 = 0 0 + x = -0.288675134 + 2 x = -0.288675134 + 2 Combine like terms: -0.288675134 + 2 = 1.711324866 x = 1.711324866 Simplifying x = 1.711324866

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.288675134, 1.711324866}

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