15x^2+23x-44=0

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Solution for 15x^2+23x-44=0 equation:


Simplifying
15x2 + 23x + -44 = 0

Reorder the terms:
-44 + 23x + 15x2 = 0

Solving
-44 + 23x + 15x2 = 0

Solving for variable 'x'.

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

Divide each side by '15'.
-2.933333333 + 1.533333333x + x2 = 0

Move the constant term to the right:

Add '2.933333333' to each side of the equation.
-2.933333333 + 1.533333333x + 2.933333333 + x2 = 0 + 2.933333333

Reorder the terms:
-2.933333333 + 2.933333333 + 1.533333333x + x2 = 0 + 2.933333333

Combine like terms: -2.933333333 + 2.933333333 = 0.000000000
0.000000000 + 1.533333333x + x2 = 0 + 2.933333333
1.533333333x + x2 = 0 + 2.933333333

Combine like terms: 0 + 2.933333333 = 2.933333333
1.533333333x + x2 = 2.933333333

The x term is 1.533333333x.  Take half its coefficient (0.7666666665).
Square it (0.5877777775) and add it to both sides.

Add '0.5877777775' to each side of the equation.
1.533333333x + 0.5877777775 + x2 = 2.933333333 + 0.5877777775

Reorder the terms:
0.5877777775 + 1.533333333x + x2 = 2.933333333 + 0.5877777775

Combine like terms: 2.933333333 + 0.5877777775 = 3.5211111105
0.5877777775 + 1.533333333x + x2 = 3.5211111105

Factor a perfect square on the left side:
(x + 0.7666666665)(x + 0.7666666665) = 3.5211111105

Calculate the square root of the right side: 1.876462393

Break this problem into two subproblems by setting 
(x + 0.7666666665) equal to 1.876462393 and -1.876462393.

Subproblem 1

x + 0.7666666665 = 1.876462393 Simplifying x + 0.7666666665 = 1.876462393 Reorder the terms: 0.7666666665 + x = 1.876462393 Solving 0.7666666665 + x = 1.876462393 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7666666665' to each side of the equation. 0.7666666665 + -0.7666666665 + x = 1.876462393 + -0.7666666665 Combine like terms: 0.7666666665 + -0.7666666665 = 0.0000000000 0.0000000000 + x = 1.876462393 + -0.7666666665 x = 1.876462393 + -0.7666666665 Combine like terms: 1.876462393 + -0.7666666665 = 1.1097957265 x = 1.1097957265 Simplifying x = 1.1097957265

Subproblem 2

x + 0.7666666665 = -1.876462393 Simplifying x + 0.7666666665 = -1.876462393 Reorder the terms: 0.7666666665 + x = -1.876462393 Solving 0.7666666665 + x = -1.876462393 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7666666665' to each side of the equation. 0.7666666665 + -0.7666666665 + x = -1.876462393 + -0.7666666665 Combine like terms: 0.7666666665 + -0.7666666665 = 0.0000000000 0.0000000000 + x = -1.876462393 + -0.7666666665 x = -1.876462393 + -0.7666666665 Combine like terms: -1.876462393 + -0.7666666665 = -2.6431290595 x = -2.6431290595 Simplifying x = -2.6431290595

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.1097957265, -2.6431290595}

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