0.6x^2-x+8=0

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Solution for 0.6x^2-x+8=0 equation:


Simplifying
0.6x2 + -1x + 8 = 0

Reorder the terms:
8 + -1x + 0.6x2 = 0

Solving
8 + -1x + 0.6x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.6'.
13.33333333 + -1.666666667x + x2 = 0

Move the constant term to the right:

Add '-13.33333333' to each side of the equation.
13.33333333 + -1.666666667x + -13.33333333 + x2 = 0 + -13.33333333

Reorder the terms:
13.33333333 + -13.33333333 + -1.666666667x + x2 = 0 + -13.33333333

Combine like terms: 13.33333333 + -13.33333333 = 0.00000000
0.00000000 + -1.666666667x + x2 = 0 + -13.33333333
-1.666666667x + x2 = 0 + -13.33333333

Combine like terms: 0 + -13.33333333 = -13.33333333
-1.666666667x + x2 = -13.33333333

The x term is -1.666666667x.  Take half its coefficient (-0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
-1.666666667x + 0.6944444447 + x2 = -13.33333333 + 0.6944444447

Reorder the terms:
0.6944444447 + -1.666666667x + x2 = -13.33333333 + 0.6944444447

Combine like terms: -13.33333333 + 0.6944444447 = -12.6388888853
0.6944444447 + -1.666666667x + x2 = -12.6388888853

Factor a perfect square on the left side:
(x + -0.8333333335)(x + -0.8333333335) = -12.6388888853

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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