=.3x^2-48.6x+13500

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Solution for =.3x^2-48.6x+13500 equation:


Simplifying
0 = 0.3x2 + -48.6x + 13500

Reorder the terms:
0 = 13500 + -48.6x + 0.3x2

Solving
0 = 13500 + -48.6x + 0.3x2

Solving for variable 'x'.

Combine like terms: 0 + -13500 = -13500
-13500 + 48.6x + -0.3x2 = 13500 + -48.6x + 0.3x2 + -13500 + 48.6x + -0.3x2

Reorder the terms:
-13500 + 48.6x + -0.3x2 = 13500 + -13500 + -48.6x + 48.6x + 0.3x2 + -0.3x2

Combine like terms: 13500 + -13500 = 0
-13500 + 48.6x + -0.3x2 = 0 + -48.6x + 48.6x + 0.3x2 + -0.3x2
-13500 + 48.6x + -0.3x2 = -48.6x + 48.6x + 0.3x2 + -0.3x2

Combine like terms: -48.6x + 48.6x = 0.0
-13500 + 48.6x + -0.3x2 = 0.0 + 0.3x2 + -0.3x2
-13500 + 48.6x + -0.3x2 = 0.3x2 + -0.3x2

Combine like terms: 0.3x2 + -0.3x2 = 0.0
-13500 + 48.6x + -0.3x2 = 0.0

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

Divide each side by '-0.3'.
45000 + -162x + x2 = 0

Move the constant term to the right:

Add '-45000' to each side of the equation.
45000 + -162x + -45000 + x2 = 0 + -45000

Reorder the terms:
45000 + -45000 + -162x + x2 = 0 + -45000

Combine like terms: 45000 + -45000 = 0
0 + -162x + x2 = 0 + -45000
-162x + x2 = 0 + -45000

Combine like terms: 0 + -45000 = -45000
-162x + x2 = -45000

The x term is -162x.  Take half its coefficient (-81).
Square it (6561) and add it to both sides.

Add '6561' to each side of the equation.
-162x + 6561 + x2 = -45000 + 6561

Reorder the terms:
6561 + -162x + x2 = -45000 + 6561

Combine like terms: -45000 + 6561 = -38439
6561 + -162x + x2 = -38439

Factor a perfect square on the left side:
(x + -81)(x + -81) = -38439

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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