11n^2-2=-2n

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Solution for 11n^2-2=-2n equation:


Simplifying
11n2 + -2 = -2n

Reorder the terms:
-2 + 11n2 = -2n

Solving
-2 + 11n2 = -2n

Solving for variable 'n'.

Reorder the terms:
-2 + 2n + 11n2 = -2n + 2n

Combine like terms: -2n + 2n = 0
-2 + 2n + 11n2 = 0

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

Divide each side by '11'.
-0.1818181818 + 0.1818181818n + n2 = 0

Move the constant term to the right:

Add '0.1818181818' to each side of the equation.
-0.1818181818 + 0.1818181818n + 0.1818181818 + n2 = 0 + 0.1818181818

Reorder the terms:
-0.1818181818 + 0.1818181818 + 0.1818181818n + n2 = 0 + 0.1818181818

Combine like terms: -0.1818181818 + 0.1818181818 = 0.0000000000
0.0000000000 + 0.1818181818n + n2 = 0 + 0.1818181818
0.1818181818n + n2 = 0 + 0.1818181818

Combine like terms: 0 + 0.1818181818 = 0.1818181818
0.1818181818n + n2 = 0.1818181818

The n term is 0.1818181818n.  Take half its coefficient (0.0909090909).
Square it (0.008264462808) and add it to both sides.

Add '0.008264462808' to each side of the equation.
0.1818181818n + 0.008264462808 + n2 = 0.1818181818 + 0.008264462808

Reorder the terms:
0.008264462808 + 0.1818181818n + n2 = 0.1818181818 + 0.008264462808

Combine like terms: 0.1818181818 + 0.008264462808 = 0.190082644608
0.008264462808 + 0.1818181818n + n2 = 0.190082644608

Factor a perfect square on the left side:
(n + 0.0909090909)(n + 0.0909090909) = 0.190082644608

Calculate the square root of the right side: 0.435984684

Break this problem into two subproblems by setting 
(n + 0.0909090909) equal to 0.435984684 and -0.435984684.

Subproblem 1

n + 0.0909090909 = 0.435984684 Simplifying n + 0.0909090909 = 0.435984684 Reorder the terms: 0.0909090909 + n = 0.435984684 Solving 0.0909090909 + n = 0.435984684 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.0909090909' to each side of the equation. 0.0909090909 + -0.0909090909 + n = 0.435984684 + -0.0909090909 Combine like terms: 0.0909090909 + -0.0909090909 = 0.0000000000 0.0000000000 + n = 0.435984684 + -0.0909090909 n = 0.435984684 + -0.0909090909 Combine like terms: 0.435984684 + -0.0909090909 = 0.3450755931 n = 0.3450755931 Simplifying n = 0.3450755931

Subproblem 2

n + 0.0909090909 = -0.435984684 Simplifying n + 0.0909090909 = -0.435984684 Reorder the terms: 0.0909090909 + n = -0.435984684 Solving 0.0909090909 + n = -0.435984684 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.0909090909' to each side of the equation. 0.0909090909 + -0.0909090909 + n = -0.435984684 + -0.0909090909 Combine like terms: 0.0909090909 + -0.0909090909 = 0.0000000000 0.0000000000 + n = -0.435984684 + -0.0909090909 n = -0.435984684 + -0.0909090909 Combine like terms: -0.435984684 + -0.0909090909 = -0.5268937749 n = -0.5268937749 Simplifying n = -0.5268937749

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.3450755931, -0.5268937749}

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