6x^2+12x-97=0

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Solution for 6x^2+12x-97=0 equation:


Simplifying
6x2 + 12x + -97 = 0

Reorder the terms:
-97 + 12x + 6x2 = 0

Solving
-97 + 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'.
-16.16666667 + 2x + x2 = 0

Move the constant term to the right:

Add '16.16666667' to each side of the equation.
-16.16666667 + 2x + 16.16666667 + x2 = 0 + 16.16666667

Reorder the terms:
-16.16666667 + 16.16666667 + 2x + x2 = 0 + 16.16666667

Combine like terms: -16.16666667 + 16.16666667 = 0.00000000
0.00000000 + 2x + x2 = 0 + 16.16666667
2x + x2 = 0 + 16.16666667

Combine like terms: 0 + 16.16666667 = 16.16666667
2x + x2 = 16.16666667

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 = 16.16666667 + 1

Reorder the terms:
1 + 2x + x2 = 16.16666667 + 1

Combine like terms: 16.16666667 + 1 = 17.16666667
1 + 2x + x2 = 17.16666667

Factor a perfect square on the left side:
(x + 1)(x + 1) = 17.16666667

Calculate the square root of the right side: 4.143267632

Break this problem into two subproblems by setting 
(x + 1) equal to 4.143267632 and -4.143267632.

Subproblem 1

x + 1 = 4.143267632 Simplifying x + 1 = 4.143267632 Reorder the terms: 1 + x = 4.143267632 Solving 1 + x = 4.143267632 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 = 4.143267632 + -1 Combine like terms: 1 + -1 = 0 0 + x = 4.143267632 + -1 x = 4.143267632 + -1 Combine like terms: 4.143267632 + -1 = 3.143267632 x = 3.143267632 Simplifying x = 3.143267632

Subproblem 2

x + 1 = -4.143267632 Simplifying x + 1 = -4.143267632 Reorder the terms: 1 + x = -4.143267632 Solving 1 + x = -4.143267632 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 = -4.143267632 + -1 Combine like terms: 1 + -1 = 0 0 + x = -4.143267632 + -1 x = -4.143267632 + -1 Combine like terms: -4.143267632 + -1 = -5.143267632 x = -5.143267632 Simplifying x = -5.143267632

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.143267632, -5.143267632}

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