6x^2-17x-8=0

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Solution for 6x^2-17x-8=0 equation: 


Simplifying
6x2 + -17x + -8 = 0

Reorder the terms:
-8 + -17x + 6x2 = 0

Solving
-8 + -17x + 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'.
-1.333333333 + -2.833333333x + x2 = 0

Move the constant term to the right:

Add '1.333333333' to each side of the equation.
-1.333333333 + -2.833333333x + 1.333333333 + x2 = 0 + 1.333333333

Reorder the terms:
-1.333333333 + 1.333333333 + -2.833333333x + x2 = 0 + 1.333333333

Combine like terms: -1.333333333 + 1.333333333 = 0.000000000
0.000000000 + -2.833333333x + x2 = 0 + 1.333333333
-2.833333333x + x2 = 0 + 1.333333333

Combine like terms: 0 + 1.333333333 = 1.333333333
-2.833333333x + x2 = 1.333333333

The x term is -2.833333333x.  Take half its coefficient (-1.416666667).
Square it (2.006944445) and add it to both sides.

Add '2.006944445' to each side of the equation.
-2.833333333x + 2.006944445 + x2 = 1.333333333 + 2.006944445

Reorder the terms:
2.006944445 + -2.833333333x + x2 = 1.333333333 + 2.006944445

Combine like terms: 1.333333333 + 2.006944445 = 3.340277778
2.006944445 + -2.833333333x + x2 = 3.340277778

Factor a perfect square on the left side:
(x + -1.416666667)(x + -1.416666667) = 3.340277778

Calculate the square root of the right side: 1.827642683

Break this problem into two subproblems by setting 
(x + -1.416666667) equal to 1.827642683 and -1.827642683.


Subproblem 1
x + -1.416666667 = 1.827642683

Simplifying
x + -1.416666667 = 1.827642683

Reorder the terms:
-1.416666667 + x = 1.827642683

Solving
-1.416666667 + x = 1.827642683

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1.416666667' to each side of the equation.
-1.416666667 + 1.416666667 + x = 1.827642683 + 1.416666667

Combine like terms: -1.416666667 + 1.416666667 = 0.000000000
0.000000000 + x = 1.827642683 + 1.416666667
x = 1.827642683 + 1.416666667

Combine like terms: 1.827642683 + 1.416666667 = 3.24430935
x = 3.24430935

Simplifying
x = 3.24430935


Subproblem 2
x + -1.416666667 = -1.827642683

Simplifying
x + -1.416666667 = -1.827642683

Reorder the terms:
-1.416666667 + x = -1.827642683

Solving
-1.416666667 + x = -1.827642683

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1.416666667' to each side of the equation.
-1.416666667 + 1.416666667 + x = -1.827642683 + 1.416666667

Combine like terms: -1.416666667 + 1.416666667 = 0.000000000
0.000000000 + x = -1.827642683 + 1.416666667
x = -1.827642683 + 1.416666667

Combine like terms: -1.827642683 + 1.416666667 = -0.410976016
x = -0.410976016

Simplifying
x = -0.410976016


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {3.24430935, -0.410976016}

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