11n^2=16-12n

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Solution for 11n^2=16-12n equation:


Simplifying
11n2 = 16 + -12n

Solving
11n2 = 16 + -12n

Solving for variable 'n'.

Reorder the terms:
-16 + 12n + 11n2 = 16 + -12n + -16 + 12n

Reorder the terms:
-16 + 12n + 11n2 = 16 + -16 + -12n + 12n

Combine like terms: 16 + -16 = 0
-16 + 12n + 11n2 = 0 + -12n + 12n
-16 + 12n + 11n2 = -12n + 12n

Combine like terms: -12n + 12n = 0
-16 + 12n + 11n2 = 0

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

Divide each side by '11'.
-1.454545455 + 1.090909091n + n2 = 0

Move the constant term to the right:

Add '1.454545455' to each side of the equation.
-1.454545455 + 1.090909091n + 1.454545455 + n2 = 0 + 1.454545455

Reorder the terms:
-1.454545455 + 1.454545455 + 1.090909091n + n2 = 0 + 1.454545455

Combine like terms: -1.454545455 + 1.454545455 = 0.000000000
0.000000000 + 1.090909091n + n2 = 0 + 1.454545455
1.090909091n + n2 = 0 + 1.454545455

Combine like terms: 0 + 1.454545455 = 1.454545455
1.090909091n + n2 = 1.454545455

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 = 1.454545455 + 0.2975206612

Reorder the terms:
0.2975206612 + 1.090909091n + n2 = 1.454545455 + 0.2975206612

Combine like terms: 1.454545455 + 0.2975206612 = 1.7520661162
0.2975206612 + 1.090909091n + n2 = 1.7520661162

Factor a perfect square on the left side:
(n + 0.5454545455)(n + 0.5454545455) = 1.7520661162

Calculate the square root of the right side: 1.323656344

Break this problem into two subproblems by setting 
(n + 0.5454545455) equal to 1.323656344 and -1.323656344.

Subproblem 1

n + 0.5454545455 = 1.323656344 Simplifying n + 0.5454545455 = 1.323656344 Reorder the terms: 0.5454545455 + n = 1.323656344 Solving 0.5454545455 + n = 1.323656344 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 = 1.323656344 + -0.5454545455 Combine like terms: 0.5454545455 + -0.5454545455 = 0.0000000000 0.0000000000 + n = 1.323656344 + -0.5454545455 n = 1.323656344 + -0.5454545455 Combine like terms: 1.323656344 + -0.5454545455 = 0.7782017985 n = 0.7782017985 Simplifying n = 0.7782017985

Subproblem 2

n + 0.5454545455 = -1.323656344 Simplifying n + 0.5454545455 = -1.323656344 Reorder the terms: 0.5454545455 + n = -1.323656344 Solving 0.5454545455 + n = -1.323656344 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 = -1.323656344 + -0.5454545455 Combine like terms: 0.5454545455 + -0.5454545455 = 0.0000000000 0.0000000000 + n = -1.323656344 + -0.5454545455 n = -1.323656344 + -0.5454545455 Combine like terms: -1.323656344 + -0.5454545455 = -1.8691108895 n = -1.8691108895 Simplifying n = -1.8691108895

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.7782017985, -1.8691108895}

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