x^2+15x+504=0

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Solution for x^2+15x+504=0 equation:


Simplifying
x2 + 15x + 504 = 0

Reorder the terms:
504 + 15x + x2 = 0

Solving
504 + 15x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-504' to each side of the equation.
504 + 15x + -504 + x2 = 0 + -504

Reorder the terms:
504 + -504 + 15x + x2 = 0 + -504

Combine like terms: 504 + -504 = 0
0 + 15x + x2 = 0 + -504
15x + x2 = 0 + -504

Combine like terms: 0 + -504 = -504
15x + x2 = -504

The x term is 15x.  Take half its coefficient (7.5).
Square it (56.25) and add it to both sides.

Add '56.25' to each side of the equation.
15x + 56.25 + x2 = -504 + 56.25

Reorder the terms:
56.25 + 15x + x2 = -504 + 56.25

Combine like terms: -504 + 56.25 = -447.75
56.25 + 15x + x2 = -447.75

Factor a perfect square on the left side:
(x + 7.5)(x + 7.5) = -447.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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