11n^2=6-3n

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Solution for 11n^2=6-3n equation:


Simplifying
11n2 = 6 + -3n

Solving
11n2 = 6 + -3n

Solving for variable 'n'.

Reorder the terms:
-6 + 3n + 11n2 = 6 + -3n + -6 + 3n

Reorder the terms:
-6 + 3n + 11n2 = 6 + -6 + -3n + 3n

Combine like terms: 6 + -6 = 0
-6 + 3n + 11n2 = 0 + -3n + 3n
-6 + 3n + 11n2 = -3n + 3n

Combine like terms: -3n + 3n = 0
-6 + 3n + 11n2 = 0

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

Divide each side by '11'.
-0.5454545455 + 0.2727272727n + n2 = 0

Move the constant term to the right:

Add '0.5454545455' to each side of the equation.
-0.5454545455 + 0.2727272727n + 0.5454545455 + n2 = 0 + 0.5454545455

Reorder the terms:
-0.5454545455 + 0.5454545455 + 0.2727272727n + n2 = 0 + 0.5454545455

Combine like terms: -0.5454545455 + 0.5454545455 = 0.0000000000
0.0000000000 + 0.2727272727n + n2 = 0 + 0.5454545455
0.2727272727n + n2 = 0 + 0.5454545455

Combine like terms: 0 + 0.5454545455 = 0.5454545455
0.2727272727n + n2 = 0.5454545455

The n term is 0.2727272727n.  Take half its coefficient (0.1363636364).
Square it (0.01859504133) and add it to both sides.

Add '0.01859504133' to each side of the equation.
0.2727272727n + 0.01859504133 + n2 = 0.5454545455 + 0.01859504133

Reorder the terms:
0.01859504133 + 0.2727272727n + n2 = 0.5454545455 + 0.01859504133

Combine like terms: 0.5454545455 + 0.01859504133 = 0.56404958683
0.01859504133 + 0.2727272727n + n2 = 0.56404958683

Factor a perfect square on the left side:
(n + 0.1363636364)(n + 0.1363636364) = 0.56404958683

Calculate the square root of the right side: 0.751032347

Break this problem into two subproblems by setting 
(n + 0.1363636364) equal to 0.751032347 and -0.751032347.

Subproblem 1

n + 0.1363636364 = 0.751032347 Simplifying n + 0.1363636364 = 0.751032347 Reorder the terms: 0.1363636364 + n = 0.751032347 Solving 0.1363636364 + n = 0.751032347 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.1363636364' to each side of the equation. 0.1363636364 + -0.1363636364 + n = 0.751032347 + -0.1363636364 Combine like terms: 0.1363636364 + -0.1363636364 = 0.0000000000 0.0000000000 + n = 0.751032347 + -0.1363636364 n = 0.751032347 + -0.1363636364 Combine like terms: 0.751032347 + -0.1363636364 = 0.6146687106 n = 0.6146687106 Simplifying n = 0.6146687106

Subproblem 2

n + 0.1363636364 = -0.751032347 Simplifying n + 0.1363636364 = -0.751032347 Reorder the terms: 0.1363636364 + n = -0.751032347 Solving 0.1363636364 + n = -0.751032347 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.1363636364' to each side of the equation. 0.1363636364 + -0.1363636364 + n = -0.751032347 + -0.1363636364 Combine like terms: 0.1363636364 + -0.1363636364 = 0.0000000000 0.0000000000 + n = -0.751032347 + -0.1363636364 n = -0.751032347 + -0.1363636364 Combine like terms: -0.751032347 + -0.1363636364 = -0.8873959834 n = -0.8873959834 Simplifying n = -0.8873959834

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.6146687106, -0.8873959834}

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