2x^2-4x+5=-2

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Solution for 2x^2-4x+5=-2 equation:


Simplifying
2x2 + -4x + 5 = -2

Reorder the terms:
5 + -4x + 2x2 = -2

Solving
5 + -4x + 2x2 = -2

Solving for variable 'x'.

Reorder the terms:
5 + 2 + -4x + 2x2 = -2 + 2

Combine like terms: 5 + 2 = 7
7 + -4x + 2x2 = -2 + 2

Combine like terms: -2 + 2 = 0
7 + -4x + 2x2 = 0

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

Divide each side by '2'.
3.5 + -2x + x2 = 0

Move the constant term to the right:

Add '-3.5' to each side of the equation.
3.5 + -2x + -3.5 + x2 = 0 + -3.5

Reorder the terms:
3.5 + -3.5 + -2x + x2 = 0 + -3.5

Combine like terms: 3.5 + -3.5 = 0.0
0.0 + -2x + x2 = 0 + -3.5
-2x + x2 = 0 + -3.5

Combine like terms: 0 + -3.5 = -3.5
-2x + x2 = -3.5

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -3.5 + 1

Reorder the terms:
1 + -2x + x2 = -3.5 + 1

Combine like terms: -3.5 + 1 = -2.5
1 + -2x + x2 = -2.5

Factor a perfect square on the left side:
(x + -1)(x + -1) = -2.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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