x^2-33x-1=0

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Solution for x^2-33x-1=0 equation:


Simplifying
x2 + -33x + -1 = 0

Reorder the terms:
-1 + -33x + x2 = 0

Solving
-1 + -33x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -33x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + -33x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -33x + x2 = 0 + 1
-33x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-33x + x2 = 1

The x term is -33x.  Take half its coefficient (-16.5).
Square it (272.25) and add it to both sides.

Add '272.25' to each side of the equation.
-33x + 272.25 + x2 = 1 + 272.25

Reorder the terms:
272.25 + -33x + x2 = 1 + 272.25

Combine like terms: 1 + 272.25 = 273.25
272.25 + -33x + x2 = 273.25

Factor a perfect square on the left side:
(x + -16.5)(x + -16.5) = 273.25

Calculate the square root of the right side: 16.530275255

Break this problem into two subproblems by setting 
(x + -16.5) equal to 16.530275255 and -16.530275255.

Subproblem 1

x + -16.5 = 16.530275255 Simplifying x + -16.5 = 16.530275255 Reorder the terms: -16.5 + x = 16.530275255 Solving -16.5 + x = 16.530275255 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16.5' to each side of the equation. -16.5 + 16.5 + x = 16.530275255 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + x = 16.530275255 + 16.5 x = 16.530275255 + 16.5 Combine like terms: 16.530275255 + 16.5 = 33.030275255 x = 33.030275255 Simplifying x = 33.030275255

Subproblem 2

x + -16.5 = -16.530275255 Simplifying x + -16.5 = -16.530275255 Reorder the terms: -16.5 + x = -16.530275255 Solving -16.5 + x = -16.530275255 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '16.5' to each side of the equation. -16.5 + 16.5 + x = -16.530275255 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + x = -16.530275255 + 16.5 x = -16.530275255 + 16.5 Combine like terms: -16.530275255 + 16.5 = -0.030275255 x = -0.030275255 Simplifying x = -0.030275255

Solution

The solution to the problem is based on the solutions from the subproblems. x = {33.030275255, -0.030275255}

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