n^2-25n+2=0

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Solution for n^2-25n+2=0 equation:


Simplifying
n2 + -25n + 2 = 0

Reorder the terms:
2 + -25n + n2 = 0

Solving
2 + -25n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -25n + -2 + n2 = 0 + -2

Reorder the terms:
2 + -2 + -25n + n2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -25n + n2 = 0 + -2
-25n + n2 = 0 + -2

Combine like terms: 0 + -2 = -2
-25n + n2 = -2

The n term is -25n.  Take half its coefficient (-12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
-25n + 156.25 + n2 = -2 + 156.25

Reorder the terms:
156.25 + -25n + n2 = -2 + 156.25

Combine like terms: -2 + 156.25 = 154.25
156.25 + -25n + n2 = 154.25

Factor a perfect square on the left side:
(n + -12.5)(n + -12.5) = 154.25

Calculate the square root of the right side: 12.419742348

Break this problem into two subproblems by setting 
(n + -12.5) equal to 12.419742348 and -12.419742348.

Subproblem 1

n + -12.5 = 12.419742348 Simplifying n + -12.5 = 12.419742348 Reorder the terms: -12.5 + n = 12.419742348 Solving -12.5 + n = 12.419742348 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + n = 12.419742348 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + n = 12.419742348 + 12.5 n = 12.419742348 + 12.5 Combine like terms: 12.419742348 + 12.5 = 24.919742348 n = 24.919742348 Simplifying n = 24.919742348

Subproblem 2

n + -12.5 = -12.419742348 Simplifying n + -12.5 = -12.419742348 Reorder the terms: -12.5 + n = -12.419742348 Solving -12.5 + n = -12.419742348 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + n = -12.419742348 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + n = -12.419742348 + 12.5 n = -12.419742348 + 12.5 Combine like terms: -12.419742348 + 12.5 = 0.080257652 n = 0.080257652 Simplifying n = 0.080257652

Solution

The solution to the problem is based on the solutions from the subproblems. n = {24.919742348, 0.080257652}

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