5x^2+25x+57=0

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Solution for 5x^2+25x+57=0 equation:


Simplifying
5x2 + 25x + 57 = 0

Reorder the terms:
57 + 25x + 5x2 = 0

Solving
57 + 25x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
11.4 + 5x + x2 = 0

Move the constant term to the right:

Add '-11.4' to each side of the equation.
11.4 + 5x + -11.4 + x2 = 0 + -11.4

Reorder the terms:
11.4 + -11.4 + 5x + x2 = 0 + -11.4

Combine like terms: 11.4 + -11.4 = 0.0
0.0 + 5x + x2 = 0 + -11.4
5x + x2 = 0 + -11.4

Combine like terms: 0 + -11.4 = -11.4
5x + x2 = -11.4

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = -11.4 + 6.25

Reorder the terms:
6.25 + 5x + x2 = -11.4 + 6.25

Combine like terms: -11.4 + 6.25 = -5.15
6.25 + 5x + x2 = -5.15

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = -5.15

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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