n^2-8n+16=6

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Solution for n^2-8n+16=6 equation:


Simplifying
n2 + -8n + 16 = 6

Reorder the terms:
16 + -8n + n2 = 6

Solving
16 + -8n + n2 = 6

Solving for variable 'n'.

Reorder the terms:
16 + -6 + -8n + n2 = 6 + -6

Combine like terms: 16 + -6 = 10
10 + -8n + n2 = 6 + -6

Combine like terms: 6 + -6 = 0
10 + -8n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -8n + -10 + n2 = 0 + -10

Reorder the terms:
10 + -10 + -8n + n2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -8n + n2 = 0 + -10
-8n + n2 = 0 + -10

Combine like terms: 0 + -10 = -10
-8n + n2 = -10

The n term is -8n.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8n + 16 + n2 = -10 + 16

Reorder the terms:
16 + -8n + n2 = -10 + 16

Combine like terms: -10 + 16 = 6
16 + -8n + n2 = 6

Factor a perfect square on the left side:
(n + -4)(n + -4) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(n + -4) equal to 2.449489743 and -2.449489743.

Subproblem 1

n + -4 = 2.449489743 Simplifying n + -4 = 2.449489743 Reorder the terms: -4 + n = 2.449489743 Solving -4 + n = 2.449489743 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + n = 2.449489743 + 4 Combine like terms: -4 + 4 = 0 0 + n = 2.449489743 + 4 n = 2.449489743 + 4 Combine like terms: 2.449489743 + 4 = 6.449489743 n = 6.449489743 Simplifying n = 6.449489743

Subproblem 2

n + -4 = -2.449489743 Simplifying n + -4 = -2.449489743 Reorder the terms: -4 + n = -2.449489743 Solving -4 + n = -2.449489743 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + n = -2.449489743 + 4 Combine like terms: -4 + 4 = 0 0 + n = -2.449489743 + 4 n = -2.449489743 + 4 Combine like terms: -2.449489743 + 4 = 1.550510257 n = 1.550510257 Simplifying n = 1.550510257

Solution

The solution to the problem is based on the solutions from the subproblems. n = {6.449489743, 1.550510257}

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