0.004x^2+x+2.5=0

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Solution for 0.004x^2+x+2.5=0 equation:


Simplifying
0.004x2 + x + 2.5 = 0

Reorder the terms:
2.5 + x + 0.004x2 = 0

Solving
2.5 + x + 0.004x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.004'.
625 + 250x + x2 = 0

Move the constant term to the right:

Add '-625' to each side of the equation.
625 + 250x + -625 + x2 = 0 + -625

Reorder the terms:
625 + -625 + 250x + x2 = 0 + -625

Combine like terms: 625 + -625 = 0
0 + 250x + x2 = 0 + -625
250x + x2 = 0 + -625

Combine like terms: 0 + -625 = -625
250x + x2 = -625

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
250x + 0.25 + x2 = -625 + 0.25

Reorder the terms:
0.25 + 250x + x2 = -625 + 0.25

Combine like terms: -625 + 0.25 = -624.75
0.25 + 250x + x2 = -624.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -624.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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