6x^2-11x-19=

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Solution for 6x^2-11x-19= equation:


Simplifying
6x2 + -11x + -19 = 0

Reorder the terms:
-19 + -11x + 6x2 = 0

Solving
-19 + -11x + 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'.
-3.166666667 + -1.833333333x + x2 = 0

Move the constant term to the right:

Add '3.166666667' to each side of the equation.
-3.166666667 + -1.833333333x + 3.166666667 + x2 = 0 + 3.166666667

Reorder the terms:
-3.166666667 + 3.166666667 + -1.833333333x + x2 = 0 + 3.166666667

Combine like terms: -3.166666667 + 3.166666667 = 0.000000000
0.000000000 + -1.833333333x + x2 = 0 + 3.166666667
-1.833333333x + x2 = 0 + 3.166666667

Combine like terms: 0 + 3.166666667 = 3.166666667
-1.833333333x + x2 = 3.166666667

The x term is -1.833333333x.  Take half its coefficient (-0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
-1.833333333x + 0.8402777775 + x2 = 3.166666667 + 0.8402777775

Reorder the terms:
0.8402777775 + -1.833333333x + x2 = 3.166666667 + 0.8402777775

Combine like terms: 3.166666667 + 0.8402777775 = 4.0069444445
0.8402777775 + -1.833333333x + x2 = 4.0069444445

Factor a perfect square on the left side:
(x + -0.9166666665)(x + -0.9166666665) = 4.0069444445

Calculate the square root of the right side: 2.001735358

Break this problem into two subproblems by setting 
(x + -0.9166666665) equal to 2.001735358 and -2.001735358.

Subproblem 1

x + -0.9166666665 = 2.001735358 Simplifying x + -0.9166666665 = 2.001735358 Reorder the terms: -0.9166666665 + x = 2.001735358 Solving -0.9166666665 + x = 2.001735358 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + x = 2.001735358 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + x = 2.001735358 + 0.9166666665 x = 2.001735358 + 0.9166666665 Combine like terms: 2.001735358 + 0.9166666665 = 2.9184020245 x = 2.9184020245 Simplifying x = 2.9184020245

Subproblem 2

x + -0.9166666665 = -2.001735358 Simplifying x + -0.9166666665 = -2.001735358 Reorder the terms: -0.9166666665 + x = -2.001735358 Solving -0.9166666665 + x = -2.001735358 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9166666665' to each side of the equation. -0.9166666665 + 0.9166666665 + x = -2.001735358 + 0.9166666665 Combine like terms: -0.9166666665 + 0.9166666665 = 0.0000000000 0.0000000000 + x = -2.001735358 + 0.9166666665 x = -2.001735358 + 0.9166666665 Combine like terms: -2.001735358 + 0.9166666665 = -1.0850686915 x = -1.0850686915 Simplifying x = -1.0850686915

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.9184020245, -1.0850686915}

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