n^2+17n-2000=0

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Solution for n^2+17n-2000=0 equation:


Simplifying
n2 + 17n + -2000 = 0

Reorder the terms:
-2000 + 17n + n2 = 0

Solving
-2000 + 17n + n2 = 0

Solving for variable 'n'.

Begin completing the square.

Move the constant term to the right:

Add '2000' to each side of the equation.
-2000 + 17n + 2000 + n2 = 0 + 2000

Reorder the terms:
-2000 + 2000 + 17n + n2 = 0 + 2000

Combine like terms: -2000 + 2000 = 0
0 + 17n + n2 = 0 + 2000
17n + n2 = 0 + 2000

Combine like terms: 0 + 2000 = 2000
17n + n2 = 2000

The n term is 17n.  Take half its coefficient (8.5).
Square it (72.25) and add it to both sides.

Add '72.25' to each side of the equation.
17n + 72.25 + n2 = 2000 + 72.25

Reorder the terms:
72.25 + 17n + n2 = 2000 + 72.25

Combine like terms: 2000 + 72.25 = 2072.25
72.25 + 17n + n2 = 2072.25

Factor a perfect square on the left side:
(n + 8.5)(n + 8.5) = 2072.25

Calculate the square root of the right side: 45.521972716

Break this problem into two subproblems by setting 
(n + 8.5) equal to 45.521972716 and -45.521972716.

Subproblem 1

n + 8.5 = 45.521972716 Simplifying n + 8.5 = 45.521972716 Reorder the terms: 8.5 + n = 45.521972716 Solving 8.5 + n = 45.521972716 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + n = 45.521972716 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + n = 45.521972716 + -8.5 n = 45.521972716 + -8.5 Combine like terms: 45.521972716 + -8.5 = 37.021972716 n = 37.021972716 Simplifying n = 37.021972716

Subproblem 2

n + 8.5 = -45.521972716 Simplifying n + 8.5 = -45.521972716 Reorder the terms: 8.5 + n = -45.521972716 Solving 8.5 + n = -45.521972716 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-8.5' to each side of the equation. 8.5 + -8.5 + n = -45.521972716 + -8.5 Combine like terms: 8.5 + -8.5 = 0.0 0.0 + n = -45.521972716 + -8.5 n = -45.521972716 + -8.5 Combine like terms: -45.521972716 + -8.5 = -54.021972716 n = -54.021972716 Simplifying n = -54.021972716

Solution

The solution to the problem is based on the solutions from the subproblems. n = {37.021972716, -54.021972716}

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