156.25-25x+2x^2=0

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Solution for 156.25-25x+2x^2=0 equation:


Simplifying
156.25 + -25x + 2x2 = 0

Solving
156.25 + -25x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
78.125 + -12.5x + x2 = 0

Move the constant term to the right:

Add '-78.125' to each side of the equation.
78.125 + -12.5x + -78.125 + x2 = 0 + -78.125

Reorder the terms:
78.125 + -78.125 + -12.5x + x2 = 0 + -78.125

Combine like terms: 78.125 + -78.125 = 0.000
0.000 + -12.5x + x2 = 0 + -78.125
-12.5x + x2 = 0 + -78.125

Combine like terms: 0 + -78.125 = -78.125
-12.5x + x2 = -78.125

The x term is -12.5x.  Take half its coefficient (-6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
-12.5x + 39.0625 + x2 = -78.125 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = -78.125 + 39.0625

Combine like terms: -78.125 + 39.0625 = -39.0625
39.0625 + -12.5x + x2 = -39.0625

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = -39.0625

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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