-2x^2+2x-17=0

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Solution for -2x^2+2x-17=0 equation:


Simplifying
-2x2 + 2x + -17 = 0

Reorder the terms:
-17 + 2x + -2x2 = 0

Solving
-17 + 2x + -2x2 = 0

Solving for variable 'x'.

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

Divide each side by '-2'.
8.5 + -1x + x2 = 0

Move the constant term to the right:

Add '-8.5' to each side of the equation.
8.5 + -1x + -8.5 + x2 = 0 + -8.5

Reorder the terms:
8.5 + -8.5 + -1x + x2 = 0 + -8.5

Combine like terms: 8.5 + -8.5 = 0.0
0.0 + -1x + x2 = 0 + -8.5
-1x + x2 = 0 + -8.5

Combine like terms: 0 + -8.5 = -8.5
-1x + x2 = -8.5

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 = -8.5 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -8.5 + 0.25

Combine like terms: -8.5 + 0.25 = -8.25
0.25 + -1x + x2 = -8.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -8.25

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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