x^2+5.5x+9.5=0

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Solution for x^2+5.5x+9.5=0 equation: 


Simplifying
x2 + 5.5x + 9.5 = 0

Reorder the terms:
9.5 + 5.5x + x2 = 0

Solving
9.5 + 5.5x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-9.5' to each side of the equation.
9.5 + 5.5x + -9.5 + x2 = 0 + -9.5

Reorder the terms:
9.5 + -9.5 + 5.5x + x2 = 0 + -9.5

Combine like terms: 9.5 + -9.5 = 0.0
0.0 + 5.5x + x2 = 0 + -9.5
5.5x + x2 = 0 + -9.5

Combine like terms: 0 + -9.5 = -9.5
5.5x + x2 = -9.5

The x term is 5.5x.  Take half its coefficient (2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
5.5x + 7.5625 + x2 = -9.5 + 7.5625

Reorder the terms:
7.5625 + 5.5x + x2 = -9.5 + 7.5625

Combine like terms: -9.5 + 7.5625 = -1.9375
7.5625 + 5.5x + x2 = -1.9375

Factor a perfect square on the left side:
(x + 2.75)(x + 2.75) = -1.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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