n^2+2n-0.5476=0

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Solution for n^2+2n-0.5476=0 equation:


Simplifying
n2 + 2n + -0.5476 = 0

Reorder the terms:
-0.5476 + 2n + n2 = 0

Solving
-0.5476 + 2n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '0.5476' to each side of the equation.
-0.5476 + 2n + 0.5476 + n2 = 0 + 0.5476

Reorder the terms:
-0.5476 + 0.5476 + 2n + n2 = 0 + 0.5476

Combine like terms: -0.5476 + 0.5476 = 0.0000
0.0000 + 2n + n2 = 0 + 0.5476
2n + n2 = 0 + 0.5476

Combine like terms: 0 + 0.5476 = 0.5476
2n + n2 = 0.5476

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 = 0.5476 + 1

Reorder the terms:
1 + 2n + n2 = 0.5476 + 1

Combine like terms: 0.5476 + 1 = 1.5476
1 + 2n + n2 = 1.5476

Factor a perfect square on the left side:
(n + 1)(n + 1) = 1.5476

Calculate the square root of the right side: 1.244025723

Break this problem into two subproblems by setting 
(n + 1) equal to 1.244025723 and -1.244025723.

Subproblem 1

n + 1 = 1.244025723 Simplifying n + 1 = 1.244025723 Reorder the terms: 1 + n = 1.244025723 Solving 1 + n = 1.244025723 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 = 1.244025723 + -1 Combine like terms: 1 + -1 = 0 0 + n = 1.244025723 + -1 n = 1.244025723 + -1 Combine like terms: 1.244025723 + -1 = 0.244025723 n = 0.244025723 Simplifying n = 0.244025723

Subproblem 2

n + 1 = -1.244025723 Simplifying n + 1 = -1.244025723 Reorder the terms: 1 + n = -1.244025723 Solving 1 + n = -1.244025723 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 = -1.244025723 + -1 Combine like terms: 1 + -1 = 0 0 + n = -1.244025723 + -1 n = -1.244025723 + -1 Combine like terms: -1.244025723 + -1 = -2.244025723 n = -2.244025723 Simplifying n = -2.244025723

Solution

The solution to the problem is based on the solutions from the subproblems. n = {0.244025723, -2.244025723}

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