x^2+32x+128=0

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Solution for x^2+32x+128=0 equation:


Simplifying
x2 + 32x + 128 = 0

Reorder the terms:
128 + 32x + x2 = 0

Solving
128 + 32x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-128' to each side of the equation.
128 + 32x + -128 + x2 = 0 + -128

Reorder the terms:
128 + -128 + 32x + x2 = 0 + -128

Combine like terms: 128 + -128 = 0
0 + 32x + x2 = 0 + -128
32x + x2 = 0 + -128

Combine like terms: 0 + -128 = -128
32x + x2 = -128

The x term is 32x.  Take half its coefficient (16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
32x + 256 + x2 = -128 + 256

Reorder the terms:
256 + 32x + x2 = -128 + 256

Combine like terms: -128 + 256 = 128
256 + 32x + x2 = 128

Factor a perfect square on the left side:
(x + 16)(x + 16) = 128

Calculate the square root of the right side: 11.313708499

Break this problem into two subproblems by setting 
(x + 16) equal to 11.313708499 and -11.313708499.

Subproblem 1

x + 16 = 11.313708499 Simplifying x + 16 = 11.313708499 Reorder the terms: 16 + x = 11.313708499 Solving 16 + x = 11.313708499 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 11.313708499 + -16 Combine like terms: 16 + -16 = 0 0 + x = 11.313708499 + -16 x = 11.313708499 + -16 Combine like terms: 11.313708499 + -16 = -4.686291501 x = -4.686291501 Simplifying x = -4.686291501

Subproblem 2

x + 16 = -11.313708499 Simplifying x + 16 = -11.313708499 Reorder the terms: 16 + x = -11.313708499 Solving 16 + x = -11.313708499 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = -11.313708499 + -16 Combine like terms: 16 + -16 = 0 0 + x = -11.313708499 + -16 x = -11.313708499 + -16 Combine like terms: -11.313708499 + -16 = -27.313708499 x = -27.313708499 Simplifying x = -27.313708499

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-4.686291501, -27.313708499}

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