x^2-33x+240=0

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Solution for x^2-33x+240=0 equation:


Simplifying
x2 + -33x + 240 = 0

Reorder the terms:
240 + -33x + x2 = 0

Solving
240 + -33x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-240' to each side of the equation.
240 + -33x + -240 + x2 = 0 + -240

Reorder the terms:
240 + -240 + -33x + x2 = 0 + -240

Combine like terms: 240 + -240 = 0
0 + -33x + x2 = 0 + -240
-33x + x2 = 0 + -240

Combine like terms: 0 + -240 = -240
-33x + x2 = -240

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 = -240 + 272.25

Reorder the terms:
272.25 + -33x + x2 = -240 + 272.25

Combine like terms: -240 + 272.25 = 32.25
272.25 + -33x + x2 = 32.25

Factor a perfect square on the left side:
(x + -16.5)(x + -16.5) = 32.25

Calculate the square root of the right side: 5.678908346

Break this problem into two subproblems by setting 
(x + -16.5) equal to 5.678908346 and -5.678908346.

Subproblem 1

x + -16.5 = 5.678908346 Simplifying x + -16.5 = 5.678908346 Reorder the terms: -16.5 + x = 5.678908346 Solving -16.5 + x = 5.678908346 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 = 5.678908346 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + x = 5.678908346 + 16.5 x = 5.678908346 + 16.5 Combine like terms: 5.678908346 + 16.5 = 22.178908346 x = 22.178908346 Simplifying x = 22.178908346

Subproblem 2

x + -16.5 = -5.678908346 Simplifying x + -16.5 = -5.678908346 Reorder the terms: -16.5 + x = -5.678908346 Solving -16.5 + x = -5.678908346 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 = -5.678908346 + 16.5 Combine like terms: -16.5 + 16.5 = 0.0 0.0 + x = -5.678908346 + 16.5 x = -5.678908346 + 16.5 Combine like terms: -5.678908346 + 16.5 = 10.821091654 x = 10.821091654 Simplifying x = 10.821091654

Solution

The solution to the problem is based on the solutions from the subproblems. x = {22.178908346, 10.821091654}

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