0=-16.75x^2+100.5x-2.75

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Solution for 0=-16.75x^2+100.5x-2.75 equation:


Simplifying
0 = -16.75x2 + 100.5x + -2.75

Reorder the terms:
0 = -2.75 + 100.5x + -16.75x2

Solving
0 = -2.75 + 100.5x + -16.75x2

Solving for variable 'x'.

Combine like terms: 0 + 2.75 = 2.75
2.75 + -100.5x + 16.75x2 = -2.75 + 100.5x + -16.75x2 + 2.75 + -100.5x + 16.75x2

Reorder the terms:
2.75 + -100.5x + 16.75x2 = -2.75 + 2.75 + 100.5x + -100.5x + -16.75x2 + 16.75x2

Combine like terms: -2.75 + 2.75 = 0.00
2.75 + -100.5x + 16.75x2 = 0.00 + 100.5x + -100.5x + -16.75x2 + 16.75x2
2.75 + -100.5x + 16.75x2 = 100.5x + -100.5x + -16.75x2 + 16.75x2

Combine like terms: 100.5x + -100.5x = 0.0
2.75 + -100.5x + 16.75x2 = 0.0 + -16.75x2 + 16.75x2
2.75 + -100.5x + 16.75x2 = -16.75x2 + 16.75x2

Combine like terms: -16.75x2 + 16.75x2 = 0.00
2.75 + -100.5x + 16.75x2 = 0.00

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

Divide each side by '16.75'.
0.1641791045 + -6x + x2 = 0

Move the constant term to the right:

Add '-0.1641791045' to each side of the equation.
0.1641791045 + -6x + -0.1641791045 + x2 = 0 + -0.1641791045

Reorder the terms:
0.1641791045 + -0.1641791045 + -6x + x2 = 0 + -0.1641791045

Combine like terms: 0.1641791045 + -0.1641791045 = 0.0000000000
0.0000000000 + -6x + x2 = 0 + -0.1641791045
-6x + x2 = 0 + -0.1641791045

Combine like terms: 0 + -0.1641791045 = -0.1641791045
-6x + x2 = -0.1641791045

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -0.1641791045 + 9

Reorder the terms:
9 + -6x + x2 = -0.1641791045 + 9

Combine like terms: -0.1641791045 + 9 = 8.8358208955
9 + -6x + x2 = 8.8358208955

Factor a perfect square on the left side:
(x + -3)(x + -3) = 8.8358208955

Calculate the square root of the right side: 2.972510874

Break this problem into two subproblems by setting 
(x + -3) equal to 2.972510874 and -2.972510874.

Subproblem 1

x + -3 = 2.972510874 Simplifying x + -3 = 2.972510874 Reorder the terms: -3 + x = 2.972510874 Solving -3 + x = 2.972510874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 2.972510874 + 3 Combine like terms: -3 + 3 = 0 0 + x = 2.972510874 + 3 x = 2.972510874 + 3 Combine like terms: 2.972510874 + 3 = 5.972510874 x = 5.972510874 Simplifying x = 5.972510874

Subproblem 2

x + -3 = -2.972510874 Simplifying x + -3 = -2.972510874 Reorder the terms: -3 + x = -2.972510874 Solving -3 + x = -2.972510874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -2.972510874 + 3 Combine like terms: -3 + 3 = 0 0 + x = -2.972510874 + 3 x = -2.972510874 + 3 Combine like terms: -2.972510874 + 3 = 0.027489126 x = 0.027489126 Simplifying x = 0.027489126

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.972510874, 0.027489126}

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