5n^2+17n-52=0

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Solution for 5n^2+17n-52=0 equation:


Simplifying
5n2 + 17n + -52 = 0

Reorder the terms:
-52 + 17n + 5n2 = 0

Solving
-52 + 17n + 5n2 = 0

Solving for variable 'n'.

Begin completing the square.  Divide all terms by
5 the coefficient of the squared term: 

Divide each side by '5'.
-10.4 + 3.4n + n2 = 0

Move the constant term to the right:

Add '10.4' to each side of the equation.
-10.4 + 3.4n + 10.4 + n2 = 0 + 10.4

Reorder the terms:
-10.4 + 10.4 + 3.4n + n2 = 0 + 10.4

Combine like terms: -10.4 + 10.4 = 0.0
0.0 + 3.4n + n2 = 0 + 10.4
3.4n + n2 = 0 + 10.4

Combine like terms: 0 + 10.4 = 10.4
3.4n + n2 = 10.4

The n term is 3.4n.  Take half its coefficient (1.7).
Square it (2.89) and add it to both sides.

Add '2.89' to each side of the equation.
3.4n + 2.89 + n2 = 10.4 + 2.89

Reorder the terms:
2.89 + 3.4n + n2 = 10.4 + 2.89

Combine like terms: 10.4 + 2.89 = 13.29
2.89 + 3.4n + n2 = 13.29

Factor a perfect square on the left side:
(n + 1.7)(n + 1.7) = 13.29

Calculate the square root of the right side: 3.645545227

Break this problem into two subproblems by setting 
(n + 1.7) equal to 3.645545227 and -3.645545227.

Subproblem 1

n + 1.7 = 3.645545227 Simplifying n + 1.7 = 3.645545227 Reorder the terms: 1.7 + n = 3.645545227 Solving 1.7 + n = 3.645545227 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1.7' to each side of the equation. 1.7 + -1.7 + n = 3.645545227 + -1.7 Combine like terms: 1.7 + -1.7 = 0.0 0.0 + n = 3.645545227 + -1.7 n = 3.645545227 + -1.7 Combine like terms: 3.645545227 + -1.7 = 1.945545227 n = 1.945545227 Simplifying n = 1.945545227

Subproblem 2

n + 1.7 = -3.645545227 Simplifying n + 1.7 = -3.645545227 Reorder the terms: 1.7 + n = -3.645545227 Solving 1.7 + n = -3.645545227 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1.7' to each side of the equation. 1.7 + -1.7 + n = -3.645545227 + -1.7 Combine like terms: 1.7 + -1.7 = 0.0 0.0 + n = -3.645545227 + -1.7 n = -3.645545227 + -1.7 Combine like terms: -3.645545227 + -1.7 = -5.345545227 n = -5.345545227 Simplifying n = -5.345545227

Solution

The solution to the problem is based on the solutions from the subproblems. n = {1.945545227, -5.345545227}

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