6x^2=-19x-1

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Solution for 6x^2=-19x-1 equation:


Simplifying
6x2 = -19x + -1

Reorder the terms:
6x2 = -1 + -19x

Solving
6x2 = -1 + -19x

Solving for variable 'x'.

Reorder the terms:
1 + 19x + 6x2 = -1 + -19x + 1 + 19x

Reorder the terms:
1 + 19x + 6x2 = -1 + 1 + -19x + 19x

Combine like terms: -1 + 1 = 0
1 + 19x + 6x2 = 0 + -19x + 19x
1 + 19x + 6x2 = -19x + 19x

Combine like terms: -19x + 19x = 0
1 + 19x + 6x2 = 0

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

Divide each side by '6'.
0.1666666667 + 3.166666667x + x2 = 0

Move the constant term to the right:

Add '-0.1666666667' to each side of the equation.
0.1666666667 + 3.166666667x + -0.1666666667 + x2 = 0 + -0.1666666667

Reorder the terms:
0.1666666667 + -0.1666666667 + 3.166666667x + x2 = 0 + -0.1666666667

Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000
0.0000000000 + 3.166666667x + x2 = 0 + -0.1666666667
3.166666667x + x2 = 0 + -0.1666666667

Combine like terms: 0 + -0.1666666667 = -0.1666666667
3.166666667x + x2 = -0.1666666667

The x term is 3.166666667x.  Take half its coefficient (1.583333334).
Square it (2.506944447) and add it to both sides.

Add '2.506944447' to each side of the equation.
3.166666667x + 2.506944447 + x2 = -0.1666666667 + 2.506944447

Reorder the terms:
2.506944447 + 3.166666667x + x2 = -0.1666666667 + 2.506944447

Combine like terms: -0.1666666667 + 2.506944447 = 2.3402777803
2.506944447 + 3.166666667x + x2 = 2.3402777803

Factor a perfect square on the left side:
(x + 1.583333334)(x + 1.583333334) = 2.3402777803

Calculate the square root of the right side: 1.529796647

Break this problem into two subproblems by setting 
(x + 1.583333334) equal to 1.529796647 and -1.529796647.

Subproblem 1

x + 1.583333334 = 1.529796647 Simplifying x + 1.583333334 = 1.529796647 Reorder the terms: 1.583333334 + x = 1.529796647 Solving 1.583333334 + x = 1.529796647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.583333334' to each side of the equation. 1.583333334 + -1.583333334 + x = 1.529796647 + -1.583333334 Combine like terms: 1.583333334 + -1.583333334 = 0.000000000 0.000000000 + x = 1.529796647 + -1.583333334 x = 1.529796647 + -1.583333334 Combine like terms: 1.529796647 + -1.583333334 = -0.053536687 x = -0.053536687 Simplifying x = -0.053536687

Subproblem 2

x + 1.583333334 = -1.529796647 Simplifying x + 1.583333334 = -1.529796647 Reorder the terms: 1.583333334 + x = -1.529796647 Solving 1.583333334 + x = -1.529796647 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.583333334' to each side of the equation. 1.583333334 + -1.583333334 + x = -1.529796647 + -1.583333334 Combine like terms: 1.583333334 + -1.583333334 = 0.000000000 0.000000000 + x = -1.529796647 + -1.583333334 x = -1.529796647 + -1.583333334 Combine like terms: -1.529796647 + -1.583333334 = -3.113129981 x = -3.113129981 Simplifying x = -3.113129981

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.053536687, -3.113129981}

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