-n^2+16n=-1100

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Solution for -n^2+16n=-1100 equation:


Simplifying
-1n2 + 16n = -1100

Reorder the terms:
16n + -1n2 = -1100

Solving
16n + -1n2 = -1100

Solving for variable 'n'.

Reorder the terms:
1100 + 16n + -1n2 = -1100 + 1100

Combine like terms: -1100 + 1100 = 0
1100 + 16n + -1n2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-1100 + -16n + n2 = 0

Move the constant term to the right:

Add '1100' to each side of the equation.
-1100 + -16n + 1100 + n2 = 0 + 1100

Reorder the terms:
-1100 + 1100 + -16n + n2 = 0 + 1100

Combine like terms: -1100 + 1100 = 0
0 + -16n + n2 = 0 + 1100
-16n + n2 = 0 + 1100

Combine like terms: 0 + 1100 = 1100
-16n + n2 = 1100

The n term is -16n.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16n + 64 + n2 = 1100 + 64

Reorder the terms:
64 + -16n + n2 = 1100 + 64

Combine like terms: 1100 + 64 = 1164
64 + -16n + n2 = 1164

Factor a perfect square on the left side:
(n + -8)(n + -8) = 1164

Calculate the square root of the right side: 34.117444218

Break this problem into two subproblems by setting 
(n + -8) equal to 34.117444218 and -34.117444218.

Subproblem 1

n + -8 = 34.117444218 Simplifying n + -8 = 34.117444218 Reorder the terms: -8 + n = 34.117444218 Solving -8 + n = 34.117444218 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + n = 34.117444218 + 8 Combine like terms: -8 + 8 = 0 0 + n = 34.117444218 + 8 n = 34.117444218 + 8 Combine like terms: 34.117444218 + 8 = 42.117444218 n = 42.117444218 Simplifying n = 42.117444218

Subproblem 2

n + -8 = -34.117444218 Simplifying n + -8 = -34.117444218 Reorder the terms: -8 + n = -34.117444218 Solving -8 + n = -34.117444218 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + n = -34.117444218 + 8 Combine like terms: -8 + 8 = 0 0 + n = -34.117444218 + 8 n = -34.117444218 + 8 Combine like terms: -34.117444218 + 8 = -26.117444218 n = -26.117444218 Simplifying n = -26.117444218

Solution

The solution to the problem is based on the solutions from the subproblems. n = {42.117444218, -26.117444218}

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