0=3x^2-400x+3000000

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Solution for 0=3x^2-400x+3000000 equation:


Simplifying
0 = 3x2 + -400x + 3000000

Reorder the terms:
0 = 3000000 + -400x + 3x2

Solving
0 = 3000000 + -400x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + -3000000 = -3000000
-3000000 + 400x + -3x2 = 3000000 + -400x + 3x2 + -3000000 + 400x + -3x2

Reorder the terms:
-3000000 + 400x + -3x2 = 3000000 + -3000000 + -400x + 400x + 3x2 + -3x2

Combine like terms: 3000000 + -3000000 = 0
-3000000 + 400x + -3x2 = 0 + -400x + 400x + 3x2 + -3x2
-3000000 + 400x + -3x2 = -400x + 400x + 3x2 + -3x2

Combine like terms: -400x + 400x = 0
-3000000 + 400x + -3x2 = 0 + 3x2 + -3x2
-3000000 + 400x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-3000000 + 400x + -3x2 = 0

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

Divide each side by '-3'.
1000000 + -133.3333333x + x2 = 0

Move the constant term to the right:

Add '-1000000' to each side of the equation.
1000000 + -133.3333333x + -1000000 + x2 = 0 + -1000000

Reorder the terms:
1000000 + -1000000 + -133.3333333x + x2 = 0 + -1000000

Combine like terms: 1000000 + -1000000 = 0
0 + -133.3333333x + x2 = 0 + -1000000
-133.3333333x + x2 = 0 + -1000000

Combine like terms: 0 + -1000000 = -1000000
-133.3333333x + x2 = -1000000

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 = -1000000 + 4444.444442

Reorder the terms:
4444.444442 + -133.3333333x + x2 = -1000000 + 4444.444442

Combine like terms: -1000000 + 4444.444442 = -995555.555558
4444.444442 + -133.3333333x + x2 = -995555.555558

Factor a perfect square on the left side:
(x + -66.66666665)(x + -66.66666665) = -995555.555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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