478=-.5x^2+36x-612

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Solution for 478=-.5x^2+36x-612 equation:


Simplifying
478 = -0.5x2 + 36x + -612

Reorder the terms:
478 = -612 + 36x + -0.5x2

Solving
478 = -612 + 36x + -0.5x2

Solving for variable 'x'.

Combine like terms: 478 + 612 = 1090
1090 + -36x + 0.5x2 = -612 + 36x + -0.5x2 + 612 + -36x + 0.5x2

Reorder the terms:
1090 + -36x + 0.5x2 = -612 + 612 + 36x + -36x + -0.5x2 + 0.5x2

Combine like terms: -612 + 612 = 0
1090 + -36x + 0.5x2 = 0 + 36x + -36x + -0.5x2 + 0.5x2
1090 + -36x + 0.5x2 = 36x + -36x + -0.5x2 + 0.5x2

Combine like terms: 36x + -36x = 0
1090 + -36x + 0.5x2 = 0 + -0.5x2 + 0.5x2
1090 + -36x + 0.5x2 = -0.5x2 + 0.5x2

Combine like terms: -0.5x2 + 0.5x2 = 0.0
1090 + -36x + 0.5x2 = 0.0

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

Divide each side by '0.5'.
2180 + -72x + x2 = 0

Move the constant term to the right:

Add '-2180' to each side of the equation.
2180 + -72x + -2180 + x2 = 0 + -2180

Reorder the terms:
2180 + -2180 + -72x + x2 = 0 + -2180

Combine like terms: 2180 + -2180 = 0
0 + -72x + x2 = 0 + -2180
-72x + x2 = 0 + -2180

Combine like terms: 0 + -2180 = -2180
-72x + x2 = -2180

The x term is -72x.  Take half its coefficient (-36).
Square it (1296) and add it to both sides.

Add '1296' to each side of the equation.
-72x + 1296 + x2 = -2180 + 1296

Reorder the terms:
1296 + -72x + x2 = -2180 + 1296

Combine like terms: -2180 + 1296 = -884
1296 + -72x + x2 = -884

Factor a perfect square on the left side:
(x + -36)(x + -36) = -884

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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