2x^2-2x=44.5

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Solution for 2x^2-2x=44.5 equation:


Simplifying
2x2 + -2x = 44.5

Reorder the terms:
-2x + 2x2 = 44.5

Solving
-2x + 2x2 = 44.5

Solving for variable 'x'.

Reorder the terms:
-44.5 + -2x + 2x2 = 44.5 + -44.5

Combine like terms: 44.5 + -44.5 = 0.0
-44.5 + -2x + 2x2 = 0.0

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

Divide each side by '2'.
-22.25 + -1x + x2 = 0.0

Move the constant term to the right:

Add '22.25' to each side of the equation.
-22.25 + -1x + 22.25 + x2 = 0.0 + 22.25

Reorder the terms:
-22.25 + 22.25 + -1x + x2 = 0.0 + 22.25

Combine like terms: -22.25 + 22.25 = 0.00
0.00 + -1x + x2 = 0.0 + 22.25
-1x + x2 = 0.0 + 22.25

Combine like terms: 0.0 + 22.25 = 22.25
-1x + x2 = 22.25

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 22.25 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 22.25 + 0.25

Combine like terms: 22.25 + 0.25 = 22.5
0.25 + -1x + x2 = 22.5

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 22.5

Calculate the square root of the right side: 4.74341649

Break this problem into two subproblems by setting 
(x + -0.5) equal to 4.74341649 and -4.74341649.

Subproblem 1

x + -0.5 = 4.74341649 Simplifying x + -0.5 = 4.74341649 Reorder the terms: -0.5 + x = 4.74341649 Solving -0.5 + x = 4.74341649 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 4.74341649 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 4.74341649 + 0.5 x = 4.74341649 + 0.5 Combine like terms: 4.74341649 + 0.5 = 5.24341649 x = 5.24341649 Simplifying x = 5.24341649

Subproblem 2

x + -0.5 = -4.74341649 Simplifying x + -0.5 = -4.74341649 Reorder the terms: -0.5 + x = -4.74341649 Solving -0.5 + x = -4.74341649 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -4.74341649 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -4.74341649 + 0.5 x = -4.74341649 + 0.5 Combine like terms: -4.74341649 + 0.5 = -4.24341649 x = -4.24341649 Simplifying x = -4.24341649

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.24341649, -4.24341649}

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