x^2+6x=58+0

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Solution for x^2+6x=58+0 equation:


Simplifying
x2 + 6x = 58 + 0

Reorder the terms:
6x + x2 = 58 + 0

Combine like terms: 58 + 0 = 58
6x + x2 = 58

Solving
6x + x2 = 58

Solving for variable 'x'.

Reorder the terms:
-58 + 6x + x2 = 58 + -58

Combine like terms: 58 + -58 = 0
-58 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '58' to each side of the equation.
-58 + 6x + 58 + x2 = 0 + 58

Reorder the terms:
-58 + 58 + 6x + x2 = 0 + 58

Combine like terms: -58 + 58 = 0
0 + 6x + x2 = 0 + 58
6x + x2 = 0 + 58

Combine like terms: 0 + 58 = 58
6x + x2 = 58

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 58 + 9

Reorder the terms:
9 + 6x + x2 = 58 + 9

Combine like terms: 58 + 9 = 67
9 + 6x + x2 = 67

Factor a perfect square on the left side:
(x + 3)(x + 3) = 67

Calculate the square root of the right side: 8.185352772

Break this problem into two subproblems by setting 
(x + 3) equal to 8.185352772 and -8.185352772.

Subproblem 1

x + 3 = 8.185352772 Simplifying x + 3 = 8.185352772 Reorder the terms: 3 + x = 8.185352772 Solving 3 + x = 8.185352772 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 8.185352772 + -3 Combine like terms: 3 + -3 = 0 0 + x = 8.185352772 + -3 x = 8.185352772 + -3 Combine like terms: 8.185352772 + -3 = 5.185352772 x = 5.185352772 Simplifying x = 5.185352772

Subproblem 2

x + 3 = -8.185352772 Simplifying x + 3 = -8.185352772 Reorder the terms: 3 + x = -8.185352772 Solving 3 + x = -8.185352772 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -8.185352772 + -3 Combine like terms: 3 + -3 = 0 0 + x = -8.185352772 + -3 x = -8.185352772 + -3 Combine like terms: -8.185352772 + -3 = -11.185352772 x = -11.185352772 Simplifying x = -11.185352772

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.185352772, -11.185352772}

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