x=108.8-27.2x+x^2

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Solution for x=108.8-27.2x+x^2 equation:


Simplifying
x = 108.8 + -27.2x + x2

Solving
x = 108.8 + -27.2x + x2

Solving for variable 'x'.

Reorder the terms:
-108.8 + x + 27.2x + -1x2 = 108.8 + -27.2x + x2 + -108.8 + 27.2x + -1x2

Combine like terms: x + 27.2x = 28.2x
-108.8 + 28.2x + -1x2 = 108.8 + -27.2x + x2 + -108.8 + 27.2x + -1x2

Reorder the terms:
-108.8 + 28.2x + -1x2 = 108.8 + -108.8 + -27.2x + 27.2x + x2 + -1x2

Combine like terms: 108.8 + -108.8 = 0.0
-108.8 + 28.2x + -1x2 = 0.0 + -27.2x + 27.2x + x2 + -1x2
-108.8 + 28.2x + -1x2 = -27.2x + 27.2x + x2 + -1x2

Combine like terms: -27.2x + 27.2x = 0.0
-108.8 + 28.2x + -1x2 = 0.0 + x2 + -1x2
-108.8 + 28.2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-108.8 + 28.2x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
108.8 + -28.2x + x2 = 0

Move the constant term to the right:

Add '-108.8' to each side of the equation.
108.8 + -28.2x + -108.8 + x2 = 0 + -108.8

Reorder the terms:
108.8 + -108.8 + -28.2x + x2 = 0 + -108.8

Combine like terms: 108.8 + -108.8 = 0.0
0.0 + -28.2x + x2 = 0 + -108.8
-28.2x + x2 = 0 + -108.8

Combine like terms: 0 + -108.8 = -108.8
-28.2x + x2 = -108.8

The x term is -28.2x.  Take half its coefficient (-14.1).
Square it (198.81) and add it to both sides.

Add '198.81' to each side of the equation.
-28.2x + 198.81 + x2 = -108.8 + 198.81

Reorder the terms:
198.81 + -28.2x + x2 = -108.8 + 198.81

Combine like terms: -108.8 + 198.81 = 90.01
198.81 + -28.2x + x2 = 90.01

Factor a perfect square on the left side:
(x + -14.1)(x + -14.1) = 90.01

Calculate the square root of the right side: 9.487360012

Break this problem into two subproblems by setting 
(x + -14.1) equal to 9.487360012 and -9.487360012.

Subproblem 1

x + -14.1 = 9.487360012 Simplifying x + -14.1 = 9.487360012 Reorder the terms: -14.1 + x = 9.487360012 Solving -14.1 + x = 9.487360012 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.1' to each side of the equation. -14.1 + 14.1 + x = 9.487360012 + 14.1 Combine like terms: -14.1 + 14.1 = 0.0 0.0 + x = 9.487360012 + 14.1 x = 9.487360012 + 14.1 Combine like terms: 9.487360012 + 14.1 = 23.587360012 x = 23.587360012 Simplifying x = 23.587360012

Subproblem 2

x + -14.1 = -9.487360012 Simplifying x + -14.1 = -9.487360012 Reorder the terms: -14.1 + x = -9.487360012 Solving -14.1 + x = -9.487360012 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.1' to each side of the equation. -14.1 + 14.1 + x = -9.487360012 + 14.1 Combine like terms: -14.1 + 14.1 = 0.0 0.0 + x = -9.487360012 + 14.1 x = -9.487360012 + 14.1 Combine like terms: -9.487360012 + 14.1 = 4.612639988 x = 4.612639988 Simplifying x = 4.612639988

Solution

The solution to the problem is based on the solutions from the subproblems. x = {23.587360012, 4.612639988}

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