0.3x^2-0.01x+4=0

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Solution for 0.3x^2-0.01x+4=0 equation:


Simplifying
0.3x2 + -0.01x + 4 = 0

Reorder the terms:
4 + -0.01x + 0.3x2 = 0

Solving
4 + -0.01x + 0.3x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.3'.
13.33333333 + -0.03333333333x + x2 = 0

Move the constant term to the right:

Add '-13.33333333' to each side of the equation.
13.33333333 + -0.03333333333x + -13.33333333 + x2 = 0 + -13.33333333

Reorder the terms:
13.33333333 + -13.33333333 + -0.03333333333x + x2 = 0 + -13.33333333

Combine like terms: 13.33333333 + -13.33333333 = 0.00000000
0.00000000 + -0.03333333333x + x2 = 0 + -13.33333333
-0.03333333333x + x2 = 0 + -13.33333333

Combine like terms: 0 + -13.33333333 = -13.33333333
-0.03333333333x + x2 = -13.33333333

The x term is -0.03333333333x.  Take half its coefficient (-0.01666666667).
Square it (0.0002777777779) and add it to both sides.

Add '0.0002777777779' to each side of the equation.
-0.03333333333x + 0.0002777777779 + x2 = -13.33333333 + 0.0002777777779

Reorder the terms:
0.0002777777779 + -0.03333333333x + x2 = -13.33333333 + 0.0002777777779

Combine like terms: -13.33333333 + 0.0002777777779 = -13.3330555522221
0.0002777777779 + -0.03333333333x + x2 = -13.3330555522221

Factor a perfect square on the left side:
(x + -0.01666666667)(x + -0.01666666667) = -13.3330555522221

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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