n^2-n-16290=0

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Solution for n^2-n-16290=0 equation:


Simplifying
n2 + -1n + -16290 = 0

Reorder the terms:
-16290 + -1n + n2 = 0

Solving
-16290 + -1n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '16290' to each side of the equation.
-16290 + -1n + 16290 + n2 = 0 + 16290

Reorder the terms:
-16290 + 16290 + -1n + n2 = 0 + 16290

Combine like terms: -16290 + 16290 = 0
0 + -1n + n2 = 0 + 16290
-1n + n2 = 0 + 16290

Combine like terms: 0 + 16290 = 16290
-1n + n2 = 16290

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 = 16290 + 0.25

Reorder the terms:
0.25 + -1n + n2 = 16290 + 0.25

Combine like terms: 16290 + 0.25 = 16290.25
0.25 + -1n + n2 = 16290.25

Factor a perfect square on the left side:
(n + -0.5)(n + -0.5) = 16290.25

Calculate the square root of the right side: 127.633263689

Break this problem into two subproblems by setting 
(n + -0.5) equal to 127.633263689 and -127.633263689.

Subproblem 1

n + -0.5 = 127.633263689 Simplifying n + -0.5 = 127.633263689 Reorder the terms: -0.5 + n = 127.633263689 Solving -0.5 + n = 127.633263689 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 = 127.633263689 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + n = 127.633263689 + 0.5 n = 127.633263689 + 0.5 Combine like terms: 127.633263689 + 0.5 = 128.133263689 n = 128.133263689 Simplifying n = 128.133263689

Subproblem 2

n + -0.5 = -127.633263689 Simplifying n + -0.5 = -127.633263689 Reorder the terms: -0.5 + n = -127.633263689 Solving -0.5 + n = -127.633263689 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 = -127.633263689 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + n = -127.633263689 + 0.5 n = -127.633263689 + 0.5 Combine like terms: -127.633263689 + 0.5 = -127.133263689 n = -127.133263689 Simplifying n = -127.133263689

Solution

The solution to the problem is based on the solutions from the subproblems. n = {128.133263689, -127.133263689}

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