n^2+2n-48.3025=0

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Solution for n^2+2n-48.3025=0 equation:


Simplifying
n2 + 2n + -48.3025 = 0

Reorder the terms:
-48.3025 + 2n + n2 = 0

Solving
-48.3025 + 2n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '48.3025' to each side of the equation.
-48.3025 + 2n + 48.3025 + n2 = 0 + 48.3025

Reorder the terms:
-48.3025 + 48.3025 + 2n + n2 = 0 + 48.3025

Combine like terms: -48.3025 + 48.3025 = 0.0000
0.0000 + 2n + n2 = 0 + 48.3025
2n + n2 = 0 + 48.3025

Combine like terms: 0 + 48.3025 = 48.3025
2n + n2 = 48.3025

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 = 48.3025 + 1

Reorder the terms:
1 + 2n + n2 = 48.3025 + 1

Combine like terms: 48.3025 + 1 = 49.3025
1 + 2n + n2 = 49.3025

Factor a perfect square on the left side:
(n + 1)(n + 1) = 49.3025

Calculate the square root of the right side: 7.021573898

Break this problem into two subproblems by setting 
(n + 1) equal to 7.021573898 and -7.021573898.

Subproblem 1

n + 1 = 7.021573898 Simplifying n + 1 = 7.021573898 Reorder the terms: 1 + n = 7.021573898 Solving 1 + n = 7.021573898 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 = 7.021573898 + -1 Combine like terms: 1 + -1 = 0 0 + n = 7.021573898 + -1 n = 7.021573898 + -1 Combine like terms: 7.021573898 + -1 = 6.021573898 n = 6.021573898 Simplifying n = 6.021573898

Subproblem 2

n + 1 = -7.021573898 Simplifying n + 1 = -7.021573898 Reorder the terms: 1 + n = -7.021573898 Solving 1 + n = -7.021573898 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 = -7.021573898 + -1 Combine like terms: 1 + -1 = 0 0 + n = -7.021573898 + -1 n = -7.021573898 + -1 Combine like terms: -7.021573898 + -1 = -8.021573898 n = -8.021573898 Simplifying n = -8.021573898

Solution

The solution to the problem is based on the solutions from the subproblems. n = {6.021573898, -8.021573898}

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