x^2+24x+39=0

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Solution for x^2+24x+39=0 equation:


Simplifying
x2 + 24x + 39 = 0

Reorder the terms:
39 + 24x + x2 = 0

Solving
39 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-39' to each side of the equation.
39 + 24x + -39 + x2 = 0 + -39

Reorder the terms:
39 + -39 + 24x + x2 = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 24x + x2 = 0 + -39
24x + x2 = 0 + -39

Combine like terms: 0 + -39 = -39
24x + x2 = -39

The x term is 24x.  Take half its coefficient (12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
24x + 144 + x2 = -39 + 144

Reorder the terms:
144 + 24x + x2 = -39 + 144

Combine like terms: -39 + 144 = 105
144 + 24x + x2 = 105

Factor a perfect square on the left side:
(x + 12)(x + 12) = 105

Calculate the square root of the right side: 10.246950766

Break this problem into two subproblems by setting 
(x + 12) equal to 10.246950766 and -10.246950766.

Subproblem 1

x + 12 = 10.246950766 Simplifying x + 12 = 10.246950766 Reorder the terms: 12 + x = 10.246950766 Solving 12 + x = 10.246950766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 10.246950766 + -12 Combine like terms: 12 + -12 = 0 0 + x = 10.246950766 + -12 x = 10.246950766 + -12 Combine like terms: 10.246950766 + -12 = -1.753049234 x = -1.753049234 Simplifying x = -1.753049234

Subproblem 2

x + 12 = -10.246950766 Simplifying x + 12 = -10.246950766 Reorder the terms: 12 + x = -10.246950766 Solving 12 + x = -10.246950766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = -10.246950766 + -12 Combine like terms: 12 + -12 = 0 0 + x = -10.246950766 + -12 x = -10.246950766 + -12 Combine like terms: -10.246950766 + -12 = -22.246950766 x = -22.246950766 Simplifying x = -22.246950766

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.753049234, -22.246950766}

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