-.5x^2-12.5x+25=200

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Solution for -.5x^2-12.5x+25=200 equation:


Simplifying
-0.5x2 + -12.5x + 25 = 200

Reorder the terms:
25 + -12.5x + -0.5x2 = 200

Solving
25 + -12.5x + -0.5x2 = 200

Solving for variable 'x'.

Reorder the terms:
25 + -200 + -12.5x + -0.5x2 = 200 + -200

Combine like terms: 25 + -200 = -175
-175 + -12.5x + -0.5x2 = 200 + -200

Combine like terms: 200 + -200 = 0
-175 + -12.5x + -0.5x2 = 0

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

Divide each side by '-0.5'.
350 + 25x + x2 = 0

Move the constant term to the right:

Add '-350' to each side of the equation.
350 + 25x + -350 + x2 = 0 + -350

Reorder the terms:
350 + -350 + 25x + x2 = 0 + -350

Combine like terms: 350 + -350 = 0
0 + 25x + x2 = 0 + -350
25x + x2 = 0 + -350

Combine like terms: 0 + -350 = -350
25x + x2 = -350

The x term is 25x.  Take half its coefficient (12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
25x + 156.25 + x2 = -350 + 156.25

Reorder the terms:
156.25 + 25x + x2 = -350 + 156.25

Combine like terms: -350 + 156.25 = -193.75
156.25 + 25x + x2 = -193.75

Factor a perfect square on the left side:
(x + 12.5)(x + 12.5) = -193.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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