n^2-11n+10=1

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Solution for n^2-11n+10=1 equation:


Simplifying
n2 + -11n + 10 = 1

Reorder the terms:
10 + -11n + n2 = 1

Solving
10 + -11n + n2 = 1

Solving for variable 'n'.

Reorder the terms:
10 + -1 + -11n + n2 = 1 + -1

Combine like terms: 10 + -1 = 9
9 + -11n + n2 = 1 + -1

Combine like terms: 1 + -1 = 0
9 + -11n + n2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -11n + -9 + n2 = 0 + -9

Reorder the terms:
9 + -9 + -11n + n2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -11n + n2 = 0 + -9
-11n + n2 = 0 + -9

Combine like terms: 0 + -9 = -9
-11n + n2 = -9

The n term is -11n.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11n + 30.25 + n2 = -9 + 30.25

Reorder the terms:
30.25 + -11n + n2 = -9 + 30.25

Combine like terms: -9 + 30.25 = 21.25
30.25 + -11n + n2 = 21.25

Factor a perfect square on the left side:
(n + -5.5)(n + -5.5) = 21.25

Calculate the square root of the right side: 4.609772229

Break this problem into two subproblems by setting 
(n + -5.5) equal to 4.609772229 and -4.609772229.

Subproblem 1

n + -5.5 = 4.609772229 Simplifying n + -5.5 = 4.609772229 Reorder the terms: -5.5 + n = 4.609772229 Solving -5.5 + n = 4.609772229 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + n = 4.609772229 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + n = 4.609772229 + 5.5 n = 4.609772229 + 5.5 Combine like terms: 4.609772229 + 5.5 = 10.109772229 n = 10.109772229 Simplifying n = 10.109772229

Subproblem 2

n + -5.5 = -4.609772229 Simplifying n + -5.5 = -4.609772229 Reorder the terms: -5.5 + n = -4.609772229 Solving -5.5 + n = -4.609772229 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + n = -4.609772229 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + n = -4.609772229 + 5.5 n = -4.609772229 + 5.5 Combine like terms: -4.609772229 + 5.5 = 0.890227771 n = 0.890227771 Simplifying n = 0.890227771

Solution

The solution to the problem is based on the solutions from the subproblems. n = {10.109772229, 0.890227771}

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