x^2-5x-58=0

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Solution for x^2-5x-58=0 equation: 


Simplifying
x2 + -5x + -58 = 0

Reorder the terms:
-58 + -5x + x2 = 0

Solving
-58 + -5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '58' to each side of the equation.
-58 + -5x + 58 + x2 = 0 + 58

Reorder the terms:
-58 + 58 + -5x + x2 = 0 + 58

Combine like terms: -58 + 58 = 0
0 + -5x + x2 = 0 + 58
-5x + x2 = 0 + 58

Combine like terms: 0 + 58 = 58
-5x + x2 = 58

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = 58 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 58 + 6.25

Combine like terms: 58 + 6.25 = 64.25
6.25 + -5x + x2 = 64.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 64.25

Calculate the square root of the right side: 8.015609771

Break this problem into two subproblems by setting 
(x + -2.5) equal to 8.015609771 and -8.015609771.


Subproblem 1
x + -2.5 = 8.015609771

Simplifying
x + -2.5 = 8.015609771

Reorder the terms:
-2.5 + x = 8.015609771

Solving
-2.5 + x = 8.015609771

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.5' to each side of the equation.
-2.5 + 2.5 + x = 8.015609771 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + x = 8.015609771 + 2.5
x = 8.015609771 + 2.5

Combine like terms: 8.015609771 + 2.5 = 10.515609771
x = 10.515609771

Simplifying
x = 10.515609771


Subproblem 2
x + -2.5 = -8.015609771

Simplifying
x + -2.5 = -8.015609771

Reorder the terms:
-2.5 + x = -8.015609771

Solving
-2.5 + x = -8.015609771

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.5' to each side of the equation.
-2.5 + 2.5 + x = -8.015609771 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + x = -8.015609771 + 2.5
x = -8.015609771 + 2.5

Combine like terms: -8.015609771 + 2.5 = -5.515609771
x = -5.515609771

Simplifying
x = -5.515609771


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {10.515609771, -5.515609771}

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