6x^2-12x-53=0

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Solution for 6x^2-12x-53=0 equation:


Simplifying
6x2 + -12x + -53 = 0

Reorder the terms:
-53 + -12x + 6x2 = 0

Solving
-53 + -12x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-8.833333333 + -2x + x2 = 0

Move the constant term to the right:

Add '8.833333333' to each side of the equation.
-8.833333333 + -2x + 8.833333333 + x2 = 0 + 8.833333333

Reorder the terms:
-8.833333333 + 8.833333333 + -2x + x2 = 0 + 8.833333333

Combine like terms: -8.833333333 + 8.833333333 = 0.000000000
0.000000000 + -2x + x2 = 0 + 8.833333333
-2x + x2 = 0 + 8.833333333

Combine like terms: 0 + 8.833333333 = 8.833333333
-2x + x2 = 8.833333333

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 8.833333333 + 1

Reorder the terms:
1 + -2x + x2 = 8.833333333 + 1

Combine like terms: 8.833333333 + 1 = 9.833333333
1 + -2x + x2 = 9.833333333

Factor a perfect square on the left side:
(x + -1)(x + -1) = 9.833333333

Calculate the square root of the right side: 3.13581462

Break this problem into two subproblems by setting 
(x + -1) equal to 3.13581462 and -3.13581462.

Subproblem 1

x + -1 = 3.13581462 Simplifying x + -1 = 3.13581462 Reorder the terms: -1 + x = 3.13581462 Solving -1 + x = 3.13581462 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 3.13581462 + 1 Combine like terms: -1 + 1 = 0 0 + x = 3.13581462 + 1 x = 3.13581462 + 1 Combine like terms: 3.13581462 + 1 = 4.13581462 x = 4.13581462 Simplifying x = 4.13581462

Subproblem 2

x + -1 = -3.13581462 Simplifying x + -1 = -3.13581462 Reorder the terms: -1 + x = -3.13581462 Solving -1 + x = -3.13581462 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -3.13581462 + 1 Combine like terms: -1 + 1 = 0 0 + x = -3.13581462 + 1 x = -3.13581462 + 1 Combine like terms: -3.13581462 + 1 = -2.13581462 x = -2.13581462 Simplifying x = -2.13581462

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.13581462, -2.13581462}

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