n^2+0.5n-437=0

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Solution for n^2+0.5n-437=0 equation:


Simplifying
n2 + 0.5n + -437 = 0

Reorder the terms:
-437 + 0.5n + n2 = 0

Solving
-437 + 0.5n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '437' to each side of the equation.
-437 + 0.5n + 437 + n2 = 0 + 437

Reorder the terms:
-437 + 437 + 0.5n + n2 = 0 + 437

Combine like terms: -437 + 437 = 0
0 + 0.5n + n2 = 0 + 437
0.5n + n2 = 0 + 437

Combine like terms: 0 + 437 = 437
0.5n + n2 = 437

The n term is 0.5n.  Take half its coefficient (0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
0.5n + 0.0625 + n2 = 437 + 0.0625

Reorder the terms:
0.0625 + 0.5n + n2 = 437 + 0.0625

Combine like terms: 437 + 0.0625 = 437.0625
0.0625 + 0.5n + n2 = 437.0625

Factor a perfect square on the left side:
(n + 0.25)(n + 0.25) = 437.0625

Calculate the square root of the right side: 20.906039797

Break this problem into two subproblems by setting 
(n + 0.25) equal to 20.906039797 and -20.906039797.

Subproblem 1

n + 0.25 = 20.906039797 Simplifying n + 0.25 = 20.906039797 Reorder the terms: 0.25 + n = 20.906039797 Solving 0.25 + n = 20.906039797 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + n = 20.906039797 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + n = 20.906039797 + -0.25 n = 20.906039797 + -0.25 Combine like terms: 20.906039797 + -0.25 = 20.656039797 n = 20.656039797 Simplifying n = 20.656039797

Subproblem 2

n + 0.25 = -20.906039797 Simplifying n + 0.25 = -20.906039797 Reorder the terms: 0.25 + n = -20.906039797 Solving 0.25 + n = -20.906039797 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-0.25' to each side of the equation. 0.25 + -0.25 + n = -20.906039797 + -0.25 Combine like terms: 0.25 + -0.25 = 0.00 0.00 + n = -20.906039797 + -0.25 n = -20.906039797 + -0.25 Combine like terms: -20.906039797 + -0.25 = -21.156039797 n = -21.156039797 Simplifying n = -21.156039797

Solution

The solution to the problem is based on the solutions from the subproblems. n = {20.656039797, -21.156039797}

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