2x^2-2x+5.5=4

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Solution for 2x^2-2x+5.5=4 equation:


Simplifying
2x2 + -2x + 5.5 = 4

Reorder the terms:
5.5 + -2x + 2x2 = 4

Solving
5.5 + -2x + 2x2 = 4

Solving for variable 'x'.

Reorder the terms:
5.5 + -4 + -2x + 2x2 = 4 + -4

Combine like terms: 5.5 + -4 = 1.5
1.5 + -2x + 2x2 = 4 + -4

Combine like terms: 4 + -4 = 0
1.5 + -2x + 2x2 = 0

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

Divide each side by '2'.
0.75 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.75' to each side of the equation.
0.75 + -1x + -0.75 + x2 = 0 + -0.75

Reorder the terms:
0.75 + -0.75 + -1x + x2 = 0 + -0.75

Combine like terms: 0.75 + -0.75 = 0.00
0.00 + -1x + x2 = 0 + -0.75
-1x + x2 = 0 + -0.75

Combine like terms: 0 + -0.75 = -0.75
-1x + x2 = -0.75

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 = -0.75 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.75 + 0.25

Combine like terms: -0.75 + 0.25 = -0.5
0.25 + -1x + x2 = -0.5

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

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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