x^2-32x-100=0

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Solution for x^2-32x-100=0 equation:


Simplifying
x2 + -32x + -100 = 0

Reorder the terms:
-100 + -32x + x2 = 0

Solving
-100 + -32x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '100' to each side of the equation.
-100 + -32x + 100 + x2 = 0 + 100

Reorder the terms:
-100 + 100 + -32x + x2 = 0 + 100

Combine like terms: -100 + 100 = 0
0 + -32x + x2 = 0 + 100
-32x + x2 = 0 + 100

Combine like terms: 0 + 100 = 100
-32x + x2 = 100

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 = 100 + 256

Reorder the terms:
256 + -32x + x2 = 100 + 256

Combine like terms: 100 + 256 = 356
256 + -32x + x2 = 356

Factor a perfect square on the left side:
(x + -16)(x + -16) = 356

Calculate the square root of the right side: 18.867962264

Break this problem into two subproblems by setting 
(x + -16) equal to 18.867962264 and -18.867962264.

Subproblem 1

x + -16 = 18.867962264 Simplifying x + -16 = 18.867962264 Reorder the terms: -16 + x = 18.867962264 Solving -16 + x = 18.867962264 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 = 18.867962264 + 16 Combine like terms: -16 + 16 = 0 0 + x = 18.867962264 + 16 x = 18.867962264 + 16 Combine like terms: 18.867962264 + 16 = 34.867962264 x = 34.867962264 Simplifying x = 34.867962264

Subproblem 2

x + -16 = -18.867962264 Simplifying x + -16 = -18.867962264 Reorder the terms: -16 + x = -18.867962264 Solving -16 + x = -18.867962264 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 = -18.867962264 + 16 Combine like terms: -16 + 16 = 0 0 + x = -18.867962264 + 16 x = -18.867962264 + 16 Combine like terms: -18.867962264 + 16 = -2.867962264 x = -2.867962264 Simplifying x = -2.867962264

Solution

The solution to the problem is based on the solutions from the subproblems. x = {34.867962264, -2.867962264}

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