x^2-33x+80=0

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Solution for x^2-33x+80=0 equation:


Simplifying
x2 + -33x + 80 = 0

Reorder the terms:
80 + -33x + x2 = 0

Solving
80 + -33x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-80' to each side of the equation.
80 + -33x + -80 + x2 = 0 + -80

Reorder the terms:
80 + -80 + -33x + x2 = 0 + -80

Combine like terms: 80 + -80 = 0
0 + -33x + x2 = 0 + -80
-33x + x2 = 0 + -80

Combine like terms: 0 + -80 = -80
-33x + x2 = -80

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 = -80 + 272.25

Reorder the terms:
272.25 + -33x + x2 = -80 + 272.25

Combine like terms: -80 + 272.25 = 192.25
272.25 + -33x + x2 = 192.25

Factor a perfect square on the left side:
(x + -16.5)(x + -16.5) = 192.25

Calculate the square root of the right side: 13.865424624

Break this problem into two subproblems by setting 
(x + -16.5) equal to 13.865424624 and -13.865424624.

Subproblem 1

x + -16.5 = 13.865424624 Simplifying x + -16.5 = 13.865424624 Reorder the terms: -16.5 + x = 13.865424624 Solving -16.5 + x = 13.865424624 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 = 13.865424624 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + x = 13.865424624 + 16.5 x = 13.865424624 + 16.5 Combine like terms: 13.865424624 + 16.5 = 30.365424624 x = 30.365424624 Simplifying x = 30.365424624

Subproblem 2

x + -16.5 = -13.865424624 Simplifying x + -16.5 = -13.865424624 Reorder the terms: -16.5 + x = -13.865424624 Solving -16.5 + x = -13.865424624 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 = -13.865424624 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + x = -13.865424624 + 16.5 x = -13.865424624 + 16.5 Combine like terms: -13.865424624 + 16.5 = 2.634575376 x = 2.634575376 Simplifying x = 2.634575376

Solution

The solution to the problem is based on the solutions from the subproblems. x = {30.365424624, 2.634575376}

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