x^2-0.2x+6.8=0

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Solution for x^2-0.2x+6.8=0 equation: 


Simplifying
x2 + -0.2x + 6.8 = 0

Reorder the terms:
6.8 + -0.2x + x2 = 0

Solving
6.8 + -0.2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-6.8' to each side of the equation.
6.8 + -0.2x + -6.8 + x2 = 0 + -6.8

Reorder the terms:
6.8 + -6.8 + -0.2x + x2 = 0 + -6.8

Combine like terms: 6.8 + -6.8 = 0.0
0.0 + -0.2x + x2 = 0 + -6.8
-0.2x + x2 = 0 + -6.8

Combine like terms: 0 + -6.8 = -6.8
-0.2x + x2 = -6.8

The x term is -0.2x.  Take half its coefficient (-0.1).
Square it (0.01) and add it to both sides.

Add '0.01' to each side of the equation.
-0.2x + 0.01 + x2 = -6.8 + 0.01

Reorder the terms:
0.01 + -0.2x + x2 = -6.8 + 0.01

Combine like terms: -6.8 + 0.01 = -6.79
0.01 + -0.2x + x2 = -6.79

Factor a perfect square on the left side:
(x + -0.1)(x + -0.1) = -6.79

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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