11n^2=-2-12n

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Solution for 11n^2=-2-12n equation:


Simplifying
11n2 = -2 + -12n

Solving
11n2 = -2 + -12n

Solving for variable 'n'.

Reorder the terms:
2 + 12n + 11n2 = -2 + -12n + 2 + 12n

Reorder the terms:
2 + 12n + 11n2 = -2 + 2 + -12n + 12n

Combine like terms: -2 + 2 = 0
2 + 12n + 11n2 = 0 + -12n + 12n
2 + 12n + 11n2 = -12n + 12n

Combine like terms: -12n + 12n = 0
2 + 12n + 11n2 = 0

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

Divide each side by '11'.
0.1818181818 + 1.090909091n + n2 = 0

Move the constant term to the right:

Add '-0.1818181818' to each side of the equation.
0.1818181818 + 1.090909091n + -0.1818181818 + n2 = 0 + -0.1818181818

Reorder the terms:
0.1818181818 + -0.1818181818 + 1.090909091n + n2 = 0 + -0.1818181818

Combine like terms: 0.1818181818 + -0.1818181818 = 0.0000000000
0.0000000000 + 1.090909091n + n2 = 0 + -0.1818181818
1.090909091n + n2 = 0 + -0.1818181818

Combine like terms: 0 + -0.1818181818 = -0.1818181818
1.090909091n + n2 = -0.1818181818

The n term is 1.090909091n.  Take half its coefficient (0.5454545455).
Square it (0.2975206612) and add it to both sides.

Add '0.2975206612' to each side of the equation.
1.090909091n + 0.2975206612 + n2 = -0.1818181818 + 0.2975206612

Reorder the terms:
0.2975206612 + 1.090909091n + n2 = -0.1818181818 + 0.2975206612

Combine like terms: -0.1818181818 + 0.2975206612 = 0.1157024794
0.2975206612 + 1.090909091n + n2 = 0.1157024794

Factor a perfect square on the left side:
(n + 0.5454545455)(n + 0.5454545455) = 0.1157024794

Calculate the square root of the right side: 0.340150672

Break this problem into two subproblems by setting 
(n + 0.5454545455) equal to 0.340150672 and -0.340150672.

Subproblem 1

n + 0.5454545455 = 0.340150672 Simplifying n + 0.5454545455 = 0.340150672 Reorder the terms: 0.5454545455 + n = 0.340150672 Solving 0.5454545455 + n = 0.340150672 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.5454545455' to each side of the equation. 0.5454545455 + -0.5454545455 + n = 0.340150672 + -0.5454545455 Combine like terms: 0.5454545455 + -0.5454545455 = 0.0000000000 0.0000000000 + n = 0.340150672 + -0.5454545455 n = 0.340150672 + -0.5454545455 Combine like terms: 0.340150672 + -0.5454545455 = -0.2053038735 n = -0.2053038735 Simplifying n = -0.2053038735

Subproblem 2

n + 0.5454545455 = -0.340150672 Simplifying n + 0.5454545455 = -0.340150672 Reorder the terms: 0.5454545455 + n = -0.340150672 Solving 0.5454545455 + n = -0.340150672 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.5454545455' to each side of the equation. 0.5454545455 + -0.5454545455 + n = -0.340150672 + -0.5454545455 Combine like terms: 0.5454545455 + -0.5454545455 = 0.0000000000 0.0000000000 + n = -0.340150672 + -0.5454545455 n = -0.340150672 + -0.5454545455 Combine like terms: -0.340150672 + -0.5454545455 = -0.8856052175 n = -0.8856052175 Simplifying n = -0.8856052175

Solution

The solution to the problem is based on the solutions from the subproblems. n = {-0.2053038735, -0.8856052175}

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