n^2+n-92=0

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Solution for n^2+n-92=0 equation:


Simplifying
n2 + n + -92 = 0

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

Solving
-92 + n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

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

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

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

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

The n term is n.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
n + 0.25 + n2 = 92 + 0.25

Reorder the terms:
0.25 + n + n2 = 92 + 0.25

Combine like terms: 92 + 0.25 = 92.25
0.25 + n + n2 = 92.25

Factor a perfect square on the left side:
(n + 0.5)(n + 0.5) = 92.25

Calculate the square root of the right side: 9.604686356

Break this problem into two subproblems by setting 
(n + 0.5) equal to 9.604686356 and -9.604686356.

Subproblem 1

n + 0.5 = 9.604686356 Simplifying n + 0.5 = 9.604686356 Reorder the terms: 0.5 + n = 9.604686356 Solving 0.5 + n = 9.604686356 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + n = 9.604686356 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + n = 9.604686356 + -0.5 n = 9.604686356 + -0.5 Combine like terms: 9.604686356 + -0.5 = 9.104686356 n = 9.104686356 Simplifying n = 9.104686356

Subproblem 2

n + 0.5 = -9.604686356 Simplifying n + 0.5 = -9.604686356 Reorder the terms: 0.5 + n = -9.604686356 Solving 0.5 + n = -9.604686356 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + n = -9.604686356 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + n = -9.604686356 + -0.5 n = -9.604686356 + -0.5 Combine like terms: -9.604686356 + -0.5 = -10.104686356 n = -10.104686356 Simplifying n = -10.104686356

Solution

The solution to the problem is based on the solutions from the subproblems. n = {9.104686356, -10.104686356}

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