.5x^2-.3x+6.858=0

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Solution for .5x^2-.3x+6.858=0 equation:


Simplifying
0.5x2 + -0.3x + 6.858 = 0

Reorder the terms:
6.858 + -0.3x + 0.5x2 = 0

Solving
6.858 + -0.3x + 0.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.5'.
13.716 + -0.6x + x2 = 0

Move the constant term to the right:

Add '-13.716' to each side of the equation.
13.716 + -0.6x + -13.716 + x2 = 0 + -13.716

Reorder the terms:
13.716 + -13.716 + -0.6x + x2 = 0 + -13.716

Combine like terms: 13.716 + -13.716 = 0.000
0.000 + -0.6x + x2 = 0 + -13.716
-0.6x + x2 = 0 + -13.716

Combine like terms: 0 + -13.716 = -13.716
-0.6x + x2 = -13.716

The x term is -0.6x.  Take half its coefficient (-0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
-0.6x + 0.09 + x2 = -13.716 + 0.09

Reorder the terms:
0.09 + -0.6x + x2 = -13.716 + 0.09

Combine like terms: -13.716 + 0.09 = -13.626
0.09 + -0.6x + x2 = -13.626

Factor a perfect square on the left side:
(x + -0.3)(x + -0.3) = -13.626

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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