x^2+24x+142=0

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Solution for x^2+24x+142=0 equation:


Simplifying
x2 + 24x + 142 = 0

Reorder the terms:
142 + 24x + x2 = 0

Solving
142 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-142' to each side of the equation.
142 + 24x + -142 + x2 = 0 + -142

Reorder the terms:
142 + -142 + 24x + x2 = 0 + -142

Combine like terms: 142 + -142 = 0
0 + 24x + x2 = 0 + -142
24x + x2 = 0 + -142

Combine like terms: 0 + -142 = -142
24x + x2 = -142

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 = -142 + 144

Reorder the terms:
144 + 24x + x2 = -142 + 144

Combine like terms: -142 + 144 = 2
144 + 24x + x2 = 2

Factor a perfect square on the left side:
(x + 12)(x + 12) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(x + 12) equal to 1.414213562 and -1.414213562.

Subproblem 1

x + 12 = 1.414213562 Simplifying x + 12 = 1.414213562 Reorder the terms: 12 + x = 1.414213562 Solving 12 + x = 1.414213562 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 = 1.414213562 + -12 Combine like terms: 12 + -12 = 0 0 + x = 1.414213562 + -12 x = 1.414213562 + -12 Combine like terms: 1.414213562 + -12 = -10.585786438 x = -10.585786438 Simplifying x = -10.585786438

Subproblem 2

x + 12 = -1.414213562 Simplifying x + 12 = -1.414213562 Reorder the terms: 12 + x = -1.414213562 Solving 12 + x = -1.414213562 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 = -1.414213562 + -12 Combine like terms: 12 + -12 = 0 0 + x = -1.414213562 + -12 x = -1.414213562 + -12 Combine like terms: -1.414213562 + -12 = -13.414213562 x = -13.414213562 Simplifying x = -13.414213562

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-10.585786438, -13.414213562}

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