55x-5x^2=32

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Solution for 55x-5x^2=32 equation:


Simplifying
55x + -5x2 = 32

Solving
55x + -5x2 = 32

Solving for variable 'x'.

Reorder the terms:
-32 + 55x + -5x2 = 32 + -32

Combine like terms: 32 + -32 = 0
-32 + 55x + -5x2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
6.4 + -11x + x2 = 0

Move the constant term to the right:

Add '-6.4' to each side of the equation.
6.4 + -11x + -6.4 + x2 = 0 + -6.4

Reorder the terms:
6.4 + -6.4 + -11x + x2 = 0 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + -11x + x2 = 0 + -6.4
-11x + x2 = 0 + -6.4

Combine like terms: 0 + -6.4 = -6.4
-11x + x2 = -6.4

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -6.4 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -6.4 + 30.25

Combine like terms: -6.4 + 30.25 = 23.85
30.25 + -11x + x2 = 23.85

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 23.85

Calculate the square root of the right side: 4.883646179

Break this problem into two subproblems by setting 
(x + -5.5) equal to 4.883646179 and -4.883646179.

Subproblem 1

x + -5.5 = 4.883646179 Simplifying x + -5.5 = 4.883646179 Reorder the terms: -5.5 + x = 4.883646179 Solving -5.5 + x = 4.883646179 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 4.883646179 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 4.883646179 + 5.5 x = 4.883646179 + 5.5 Combine like terms: 4.883646179 + 5.5 = 10.383646179 x = 10.383646179 Simplifying x = 10.383646179

Subproblem 2

x + -5.5 = -4.883646179 Simplifying x + -5.5 = -4.883646179 Reorder the terms: -5.5 + x = -4.883646179 Solving -5.5 + x = -4.883646179 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -4.883646179 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -4.883646179 + 5.5 x = -4.883646179 + 5.5 Combine like terms: -4.883646179 + 5.5 = 0.616353821 x = 0.616353821 Simplifying x = 0.616353821

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.383646179, 0.616353821}

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