4x^2+87x+630=0

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Solution for 4x^2+87x+630=0 equation:


Simplifying
4x2 + 87x + 630 = 0

Reorder the terms:
630 + 87x + 4x2 = 0

Solving
630 + 87x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
157.5 + 21.75x + x2 = 0

Move the constant term to the right:

Add '-157.5' to each side of the equation.
157.5 + 21.75x + -157.5 + x2 = 0 + -157.5

Reorder the terms:
157.5 + -157.5 + 21.75x + x2 = 0 + -157.5

Combine like terms: 157.5 + -157.5 = 0.0
0.0 + 21.75x + x2 = 0 + -157.5
21.75x + x2 = 0 + -157.5

Combine like terms: 0 + -157.5 = -157.5
21.75x + x2 = -157.5

The x term is 21.75x.  Take half its coefficient (10.875).
Square it (118.265625) and add it to both sides.

Add '118.265625' to each side of the equation.
21.75x + 118.265625 + x2 = -157.5 + 118.265625

Reorder the terms:
118.265625 + 21.75x + x2 = -157.5 + 118.265625

Combine like terms: -157.5 + 118.265625 = -39.234375
118.265625 + 21.75x + x2 = -39.234375

Factor a perfect square on the left side:
(x + 10.875)(x + 10.875) = -39.234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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