-3x^2+400x-16000=0

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Solution for -3x^2+400x-16000=0 equation:


Simplifying
-3x2 + 400x + -16000 = 0

Reorder the terms:
-16000 + 400x + -3x2 = 0

Solving
-16000 + 400x + -3x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
5333.333333 + -133.3333333x + x2 = 0

Move the constant term to the right:

Add '-5333.333333' to each side of the equation.
5333.333333 + -133.3333333x + -5333.333333 + x2 = 0 + -5333.333333

Reorder the terms:
5333.333333 + -5333.333333 + -133.3333333x + x2 = 0 + -5333.333333

Combine like terms: 5333.333333 + -5333.333333 = 0.000000
0.000000 + -133.3333333x + x2 = 0 + -5333.333333
-133.3333333x + x2 = 0 + -5333.333333

Combine like terms: 0 + -5333.333333 = -5333.333333
-133.3333333x + x2 = -5333.333333

The x term is -133.3333333x.  Take half its coefficient (-66.66666665).
Square it (4444.444442) and add it to both sides.

Add '4444.444442' to each side of the equation.
-133.3333333x + 4444.444442 + x2 = -5333.333333 + 4444.444442

Reorder the terms:
4444.444442 + -133.3333333x + x2 = -5333.333333 + 4444.444442

Combine like terms: -5333.333333 + 4444.444442 = -888.888891
4444.444442 + -133.3333333x + x2 = -888.888891

Factor a perfect square on the left side:
(x + -66.66666665)(x + -66.66666665) = -888.888891

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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