6x^2-6x-17=0

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Solution for 6x^2-6x-17=0 equation:


Simplifying
6x2 + -6x + -17 = 0

Reorder the terms:
-17 + -6x + 6x2 = 0

Solving
-17 + -6x + 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'.
-2.833333333 + -1x + x2 = 0

Move the constant term to the right:

Add '2.833333333' to each side of the equation.
-2.833333333 + -1x + 2.833333333 + x2 = 0 + 2.833333333

Reorder the terms:
-2.833333333 + 2.833333333 + -1x + x2 = 0 + 2.833333333

Combine like terms: -2.833333333 + 2.833333333 = 0.000000000
0.000000000 + -1x + x2 = 0 + 2.833333333
-1x + x2 = 0 + 2.833333333

Combine like terms: 0 + 2.833333333 = 2.833333333
-1x + x2 = 2.833333333

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 2.833333333 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 2.833333333 + 0.25

Combine like terms: 2.833333333 + 0.25 = 3.083333333
0.25 + -1x + x2 = 3.083333333

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 3.083333333

Calculate the square root of the right side: 1.755942292

Break this problem into two subproblems by setting 
(x + -0.5) equal to 1.755942292 and -1.755942292.

Subproblem 1

x + -0.5 = 1.755942292 Simplifying x + -0.5 = 1.755942292 Reorder the terms: -0.5 + x = 1.755942292 Solving -0.5 + x = 1.755942292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 1.755942292 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 1.755942292 + 0.5 x = 1.755942292 + 0.5 Combine like terms: 1.755942292 + 0.5 = 2.255942292 x = 2.255942292 Simplifying x = 2.255942292

Subproblem 2

x + -0.5 = -1.755942292 Simplifying x + -0.5 = -1.755942292 Reorder the terms: -0.5 + x = -1.755942292 Solving -0.5 + x = -1.755942292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -1.755942292 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -1.755942292 + 0.5 x = -1.755942292 + 0.5 Combine like terms: -1.755942292 + 0.5 = -1.255942292 x = -1.255942292 Simplifying x = -1.255942292

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.255942292, -1.255942292}

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