n^2+2n-1080=0

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Solution for n^2+2n-1080=0 equation:


Simplifying
n2 + 2n + -1080 = 0

Reorder the terms:
-1080 + 2n + n2 = 0

Solving
-1080 + 2n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '1080' to each side of the equation.
-1080 + 2n + 1080 + n2 = 0 + 1080

Reorder the terms:
-1080 + 1080 + 2n + n2 = 0 + 1080

Combine like terms: -1080 + 1080 = 0
0 + 2n + n2 = 0 + 1080
2n + n2 = 0 + 1080

Combine like terms: 0 + 1080 = 1080
2n + n2 = 1080

The n term is 2n.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2n + 1 + n2 = 1080 + 1

Reorder the terms:
1 + 2n + n2 = 1080 + 1

Combine like terms: 1080 + 1 = 1081
1 + 2n + n2 = 1081

Factor a perfect square on the left side:
(n + 1)(n + 1) = 1081

Calculate the square root of the right side: 32.878564446

Break this problem into two subproblems by setting 
(n + 1) equal to 32.878564446 and -32.878564446.

Subproblem 1

n + 1 = 32.878564446 Simplifying n + 1 = 32.878564446 Reorder the terms: 1 + n = 32.878564446 Solving 1 + n = 32.878564446 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + n = 32.878564446 + -1 Combine like terms: 1 + -1 = 0 0 + n = 32.878564446 + -1 n = 32.878564446 + -1 Combine like terms: 32.878564446 + -1 = 31.878564446 n = 31.878564446 Simplifying n = 31.878564446

Subproblem 2

n + 1 = -32.878564446 Simplifying n + 1 = -32.878564446 Reorder the terms: 1 + n = -32.878564446 Solving 1 + n = -32.878564446 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + n = -32.878564446 + -1 Combine like terms: 1 + -1 = 0 0 + n = -32.878564446 + -1 n = -32.878564446 + -1 Combine like terms: -32.878564446 + -1 = -33.878564446 n = -33.878564446 Simplifying n = -33.878564446

Solution

The solution to the problem is based on the solutions from the subproblems. n = {31.878564446, -33.878564446}

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