x^2+32x=16

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Solution for x^2+32x=16 equation:


Simplifying
x2 + 32x = 16

Reorder the terms:
32x + x2 = 16

Solving
32x + x2 = 16

Solving for variable 'x'.

Reorder the terms:
-16 + 32x + x2 = 16 + -16

Combine like terms: 16 + -16 = 0
-16 + 32x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '16' to each side of the equation.
-16 + 32x + 16 + x2 = 0 + 16

Reorder the terms:
-16 + 16 + 32x + x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 32x + x2 = 0 + 16
32x + x2 = 0 + 16

Combine like terms: 0 + 16 = 16
32x + x2 = 16

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 = 16 + 256

Reorder the terms:
256 + 32x + x2 = 16 + 256

Combine like terms: 16 + 256 = 272
256 + 32x + x2 = 272

Factor a perfect square on the left side:
(x + 16)(x + 16) = 272

Calculate the square root of the right side: 16.492422502

Break this problem into two subproblems by setting 
(x + 16) equal to 16.492422502 and -16.492422502.

Subproblem 1

x + 16 = 16.492422502 Simplifying x + 16 = 16.492422502 Reorder the terms: 16 + x = 16.492422502 Solving 16 + x = 16.492422502 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 = 16.492422502 + -16 Combine like terms: 16 + -16 = 0 0 + x = 16.492422502 + -16 x = 16.492422502 + -16 Combine like terms: 16.492422502 + -16 = 0.492422502 x = 0.492422502 Simplifying x = 0.492422502

Subproblem 2

x + 16 = -16.492422502 Simplifying x + 16 = -16.492422502 Reorder the terms: 16 + x = -16.492422502 Solving 16 + x = -16.492422502 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 = -16.492422502 + -16 Combine like terms: 16 + -16 = 0 0 + x = -16.492422502 + -16 x = -16.492422502 + -16 Combine like terms: -16.492422502 + -16 = -32.492422502 x = -32.492422502 Simplifying x = -32.492422502

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.492422502, -32.492422502}

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