2x^2-33x+55=0

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Solution for 2x^2-33x+55=0 equation:


Simplifying
2x2 + -33x + 55 = 0

Reorder the terms:
55 + -33x + 2x2 = 0

Solving
55 + -33x + 2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
2 the coefficient of the squared term: 

Divide each side by '2'.
27.5 + -16.5x + x2 = 0

Move the constant term to the right:

Add '-27.5' to each side of the equation.
27.5 + -16.5x + -27.5 + x2 = 0 + -27.5

Reorder the terms:
27.5 + -27.5 + -16.5x + x2 = 0 + -27.5

Combine like terms: 27.5 + -27.5 = 0.0
0.0 + -16.5x + x2 = 0 + -27.5
-16.5x + x2 = 0 + -27.5

Combine like terms: 0 + -27.5 = -27.5
-16.5x + x2 = -27.5

The x term is -16.5x.  Take half its coefficient (-8.25).
Square it (68.0625) and add it to both sides.

Add '68.0625' to each side of the equation.
-16.5x + 68.0625 + x2 = -27.5 + 68.0625

Reorder the terms:
68.0625 + -16.5x + x2 = -27.5 + 68.0625

Combine like terms: -27.5 + 68.0625 = 40.5625
68.0625 + -16.5x + x2 = 40.5625

Factor a perfect square on the left side:
(x + -8.25)(x + -8.25) = 40.5625

Calculate the square root of the right side: 6.368869601

Break this problem into two subproblems by setting 
(x + -8.25) equal to 6.368869601 and -6.368869601.

Subproblem 1

x + -8.25 = 6.368869601 Simplifying x + -8.25 = 6.368869601 Reorder the terms: -8.25 + x = 6.368869601 Solving -8.25 + x = 6.368869601 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.25' to each side of the equation. -8.25 + 8.25 + x = 6.368869601 + 8.25 Combine like terms: -8.25 + 8.25 = 0.00 0.00 + x = 6.368869601 + 8.25 x = 6.368869601 + 8.25 Combine like terms: 6.368869601 + 8.25 = 14.618869601 x = 14.618869601 Simplifying x = 14.618869601

Subproblem 2

x + -8.25 = -6.368869601 Simplifying x + -8.25 = -6.368869601 Reorder the terms: -8.25 + x = -6.368869601 Solving -8.25 + x = -6.368869601 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.25' to each side of the equation. -8.25 + 8.25 + x = -6.368869601 + 8.25 Combine like terms: -8.25 + 8.25 = 0.00 0.00 + x = -6.368869601 + 8.25 x = -6.368869601 + 8.25 Combine like terms: -6.368869601 + 8.25 = 1.881130399 x = 1.881130399 Simplifying x = 1.881130399

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.618869601, 1.881130399}

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