11n^2+1=8n

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Solution for 11n^2+1=8n equation:


Simplifying
11n2 + 1 = 8n

Reorder the terms:
1 + 11n2 = 8n

Solving
1 + 11n2 = 8n

Solving for variable 'n'.

Reorder the terms:
1 + -8n + 11n2 = 8n + -8n

Combine like terms: 8n + -8n = 0
1 + -8n + 11n2 = 0

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

Divide each side by '11'.
0.09090909091 + -0.7272727273n + n2 = 0

Move the constant term to the right:

Add '-0.09090909091' to each side of the equation.
0.09090909091 + -0.7272727273n + -0.09090909091 + n2 = 0 + -0.09090909091

Reorder the terms:
0.09090909091 + -0.09090909091 + -0.7272727273n + n2 = 0 + -0.09090909091

Combine like terms: 0.09090909091 + -0.09090909091 = 0.00000000000
0.00000000000 + -0.7272727273n + n2 = 0 + -0.09090909091
-0.7272727273n + n2 = 0 + -0.09090909091

Combine like terms: 0 + -0.09090909091 = -0.09090909091
-0.7272727273n + n2 = -0.09090909091

The n term is -0.7272727273n.  Take half its coefficient (-0.3636363637).
Square it (0.1322314050) and add it to both sides.

Add '0.1322314050' to each side of the equation.
-0.7272727273n + 0.1322314050 + n2 = -0.09090909091 + 0.1322314050

Reorder the terms:
0.1322314050 + -0.7272727273n + n2 = -0.09090909091 + 0.1322314050

Combine like terms: -0.09090909091 + 0.1322314050 = 0.04132231409
0.1322314050 + -0.7272727273n + n2 = 0.04132231409

Factor a perfect square on the left side:
(n + -0.3636363637)(n + -0.3636363637) = 0.04132231409

Calculate the square root of the right side: 0.203278907

Break this problem into two subproblems by setting 
(n + -0.3636363637) equal to 0.203278907 and -0.203278907.

Subproblem 1

n + -0.3636363637 = 0.203278907 Simplifying n + -0.3636363637 = 0.203278907 Reorder the terms: -0.3636363637 + n = 0.203278907 Solving -0.3636363637 + n = 0.203278907 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.3636363637' to each side of the equation. -0.3636363637 + 0.3636363637 + n = 0.203278907 + 0.3636363637 Combine like terms: -0.3636363637 + 0.3636363637 = 0.0000000000 0.0000000000 + n = 0.203278907 + 0.3636363637 n = 0.203278907 + 0.3636363637 Combine like terms: 0.203278907 + 0.3636363637 = 0.5669152707 n = 0.5669152707 Simplifying n = 0.5669152707

Subproblem 2

n + -0.3636363637 = -0.203278907 Simplifying n + -0.3636363637 = -0.203278907 Reorder the terms: -0.3636363637 + n = -0.203278907 Solving -0.3636363637 + n = -0.203278907 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.3636363637' to each side of the equation. -0.3636363637 + 0.3636363637 + n = -0.203278907 + 0.3636363637 Combine like terms: -0.3636363637 + 0.3636363637 = 0.0000000000 0.0000000000 + n = -0.203278907 + 0.3636363637 n = -0.203278907 + 0.3636363637 Combine like terms: -0.203278907 + 0.3636363637 = 0.1603574567 n = 0.1603574567 Simplifying n = 0.1603574567

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.5669152707, 0.1603574567}

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