2n^2-39n-184=0

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Solution for 2n^2-39n-184=0 equation:


Simplifying
2n2 + -39n + -184 = 0

Reorder the terms:
-184 + -39n + 2n2 = 0

Solving
-184 + -39n + 2n2 = 0

Solving for variable 'n'.

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

Divide each side by '2'.
-92 + -19.5n + n2 = 0

Move the constant term to the right:

Add '92' to each side of the equation.
-92 + -19.5n + 92 + n2 = 0 + 92

Reorder the terms:
-92 + 92 + -19.5n + n2 = 0 + 92

Combine like terms: -92 + 92 = 0
0 + -19.5n + n2 = 0 + 92
-19.5n + n2 = 0 + 92

Combine like terms: 0 + 92 = 92
-19.5n + n2 = 92

The n term is -19.5n.  Take half its coefficient (-9.75).
Square it (95.0625) and add it to both sides.

Add '95.0625' to each side of the equation.
-19.5n + 95.0625 + n2 = 92 + 95.0625

Reorder the terms:
95.0625 + -19.5n + n2 = 92 + 95.0625

Combine like terms: 92 + 95.0625 = 187.0625
95.0625 + -19.5n + n2 = 187.0625

Factor a perfect square on the left side:
(n + -9.75)(n + -9.75) = 187.0625

Calculate the square root of the right side: 13.677079367

Break this problem into two subproblems by setting 
(n + -9.75) equal to 13.677079367 and -13.677079367.

Subproblem 1

n + -9.75 = 13.677079367 Simplifying n + -9.75 = 13.677079367 Reorder the terms: -9.75 + n = 13.677079367 Solving -9.75 + n = 13.677079367 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '9.75' to each side of the equation. -9.75 + 9.75 + n = 13.677079367 + 9.75 Combine like terms: -9.75 + 9.75 = 0.00 0.00 + n = 13.677079367 + 9.75 n = 13.677079367 + 9.75 Combine like terms: 13.677079367 + 9.75 = 23.427079367 n = 23.427079367 Simplifying n = 23.427079367

Subproblem 2

n + -9.75 = -13.677079367 Simplifying n + -9.75 = -13.677079367 Reorder the terms: -9.75 + n = -13.677079367 Solving -9.75 + n = -13.677079367 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '9.75' to each side of the equation. -9.75 + 9.75 + n = -13.677079367 + 9.75 Combine like terms: -9.75 + 9.75 = 0.00 0.00 + n = -13.677079367 + 9.75 n = -13.677079367 + 9.75 Combine like terms: -13.677079367 + 9.75 = -3.927079367 n = -3.927079367 Simplifying n = -3.927079367

Solution

The solution to the problem is based on the solutions from the subproblems. n = {23.427079367, -3.927079367}

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