x^2+31x+59=

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Solution for x^2+31x+59= equation:


Simplifying
x2 + 31x + 59 = 0

Reorder the terms:
59 + 31x + x2 = 0

Solving
59 + 31x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-59' to each side of the equation.
59 + 31x + -59 + x2 = 0 + -59

Reorder the terms:
59 + -59 + 31x + x2 = 0 + -59

Combine like terms: 59 + -59 = 0
0 + 31x + x2 = 0 + -59
31x + x2 = 0 + -59

Combine like terms: 0 + -59 = -59
31x + x2 = -59

The x term is 31x.  Take half its coefficient (15.5).
Square it (240.25) and add it to both sides.

Add '240.25' to each side of the equation.
31x + 240.25 + x2 = -59 + 240.25

Reorder the terms:
240.25 + 31x + x2 = -59 + 240.25

Combine like terms: -59 + 240.25 = 181.25
240.25 + 31x + x2 = 181.25

Factor a perfect square on the left side:
(x + 15.5)(x + 15.5) = 181.25

Calculate the square root of the right side: 13.462912018

Break this problem into two subproblems by setting 
(x + 15.5) equal to 13.462912018 and -13.462912018.

Subproblem 1

x + 15.5 = 13.462912018 Simplifying x + 15.5 = 13.462912018 Reorder the terms: 15.5 + x = 13.462912018 Solving 15.5 + x = 13.462912018 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15.5' to each side of the equation. 15.5 + -15.5 + x = 13.462912018 + -15.5 Combine like terms: 15.5 + -15.5 = 0.0 0.0 + x = 13.462912018 + -15.5 x = 13.462912018 + -15.5 Combine like terms: 13.462912018 + -15.5 = -2.037087982 x = -2.037087982 Simplifying x = -2.037087982

Subproblem 2

x + 15.5 = -13.462912018 Simplifying x + 15.5 = -13.462912018 Reorder the terms: 15.5 + x = -13.462912018 Solving 15.5 + x = -13.462912018 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-15.5' to each side of the equation. 15.5 + -15.5 + x = -13.462912018 + -15.5 Combine like terms: 15.5 + -15.5 = 0.0 0.0 + x = -13.462912018 + -15.5 x = -13.462912018 + -15.5 Combine like terms: -13.462912018 + -15.5 = -28.962912018 x = -28.962912018 Simplifying x = -28.962912018

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.037087982, -28.962912018}

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