n^2-n=136

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Solution for n^2-n=136 equation:


Simplifying
n2 + -1n = 136

Reorder the terms:
-1n + n2 = 136

Solving
-1n + n2 = 136

Solving for variable 'n'.

Reorder the terms:
-136 + -1n + n2 = 136 + -136

Combine like terms: 136 + -136 = 0
-136 + -1n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '136' to each side of the equation.
-136 + -1n + 136 + n2 = 0 + 136

Reorder the terms:
-136 + 136 + -1n + n2 = 0 + 136

Combine like terms: -136 + 136 = 0
0 + -1n + n2 = 0 + 136
-1n + n2 = 0 + 136

Combine like terms: 0 + 136 = 136
-1n + n2 = 136

The n term is -1n.  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.
-1n + 0.25 + n2 = 136 + 0.25

Reorder the terms:
0.25 + -1n + n2 = 136 + 0.25

Combine like terms: 136 + 0.25 = 136.25
0.25 + -1n + n2 = 136.25

Factor a perfect square on the left side:
(n + -0.5)(n + -0.5) = 136.25

Calculate the square root of the right side: 11.67261753

Break this problem into two subproblems by setting 
(n + -0.5) equal to 11.67261753 and -11.67261753.

Subproblem 1

n + -0.5 = 11.67261753 Simplifying n + -0.5 = 11.67261753 Reorder the terms: -0.5 + n = 11.67261753 Solving -0.5 + n = 11.67261753 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 = 11.67261753 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + n = 11.67261753 + 0.5 n = 11.67261753 + 0.5 Combine like terms: 11.67261753 + 0.5 = 12.17261753 n = 12.17261753 Simplifying n = 12.17261753

Subproblem 2

n + -0.5 = -11.67261753 Simplifying n + -0.5 = -11.67261753 Reorder the terms: -0.5 + n = -11.67261753 Solving -0.5 + n = -11.67261753 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 = -11.67261753 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + n = -11.67261753 + 0.5 n = -11.67261753 + 0.5 Combine like terms: -11.67261753 + 0.5 = -11.17261753 n = -11.17261753 Simplifying n = -11.17261753

Solution

The solution to the problem is based on the solutions from the subproblems. n = {12.17261753, -11.17261753}

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