27n^2-5-6=4n

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Solution for 27n^2-5-6=4n equation:


Simplifying
27n2 + -5 + -6 = 4n

Reorder the terms:
-5 + -6 + 27n2 = 4n

Combine like terms: -5 + -6 = -11
-11 + 27n2 = 4n

Solving
-11 + 27n2 = 4n

Solving for variable 'n'.

Reorder the terms:
-11 + -4n + 27n2 = 4n + -4n

Combine like terms: 4n + -4n = 0
-11 + -4n + 27n2 = 0

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

Divide each side by '27'.
-0.4074074074 + -0.1481481481n + n2 = 0

Move the constant term to the right:

Add '0.4074074074' to each side of the equation.
-0.4074074074 + -0.1481481481n + 0.4074074074 + n2 = 0 + 0.4074074074

Reorder the terms:
-0.4074074074 + 0.4074074074 + -0.1481481481n + n2 = 0 + 0.4074074074

Combine like terms: -0.4074074074 + 0.4074074074 = 0.0000000000
0.0000000000 + -0.1481481481n + n2 = 0 + 0.4074074074
-0.1481481481n + n2 = 0 + 0.4074074074

Combine like terms: 0 + 0.4074074074 = 0.4074074074
-0.1481481481n + n2 = 0.4074074074

The n term is -0.1481481481n.  Take half its coefficient (-0.07407407405).
Square it (0.005486968446) and add it to both sides.

Add '0.005486968446' to each side of the equation.
-0.1481481481n + 0.005486968446 + n2 = 0.4074074074 + 0.005486968446

Reorder the terms:
0.005486968446 + -0.1481481481n + n2 = 0.4074074074 + 0.005486968446

Combine like terms: 0.4074074074 + 0.005486968446 = 0.412894375846
0.005486968446 + -0.1481481481n + n2 = 0.412894375846

Factor a perfect square on the left side:
(n + -0.07407407405)(n + -0.07407407405) = 0.412894375846

Calculate the square root of the right side: 0.642568577

Break this problem into two subproblems by setting 
(n + -0.07407407405) equal to 0.642568577 and -0.642568577.

Subproblem 1

n + -0.07407407405 = 0.642568577 Simplifying n + -0.07407407405 = 0.642568577 Reorder the terms: -0.07407407405 + n = 0.642568577 Solving -0.07407407405 + n = 0.642568577 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.07407407405' to each side of the equation. -0.07407407405 + 0.07407407405 + n = 0.642568577 + 0.07407407405 Combine like terms: -0.07407407405 + 0.07407407405 = 0.00000000000 0.00000000000 + n = 0.642568577 + 0.07407407405 n = 0.642568577 + 0.07407407405 Combine like terms: 0.642568577 + 0.07407407405 = 0.71664265105 n = 0.71664265105 Simplifying n = 0.71664265105

Subproblem 2

n + -0.07407407405 = -0.642568577 Simplifying n + -0.07407407405 = -0.642568577 Reorder the terms: -0.07407407405 + n = -0.642568577 Solving -0.07407407405 + n = -0.642568577 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.07407407405' to each side of the equation. -0.07407407405 + 0.07407407405 + n = -0.642568577 + 0.07407407405 Combine like terms: -0.07407407405 + 0.07407407405 = 0.00000000000 0.00000000000 + n = -0.642568577 + 0.07407407405 n = -0.642568577 + 0.07407407405 Combine like terms: -0.642568577 + 0.07407407405 = -0.56849450295 n = -0.56849450295 Simplifying n = -0.56849450295

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.71664265105, -0.56849450295}

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