9x^2+27x+23=0

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Solution for 9x^2+27x+23=0 equation:


Simplifying
9x2 + 27x + 23 = 0

Reorder the terms:
23 + 27x + 9x2 = 0

Solving
23 + 27x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
2.555555556 + 3x + x2 = 0

Move the constant term to the right:

Add '-2.555555556' to each side of the equation.
2.555555556 + 3x + -2.555555556 + x2 = 0 + -2.555555556

Reorder the terms:
2.555555556 + -2.555555556 + 3x + x2 = 0 + -2.555555556

Combine like terms: 2.555555556 + -2.555555556 = 0.000000000
0.000000000 + 3x + x2 = 0 + -2.555555556
3x + x2 = 0 + -2.555555556

Combine like terms: 0 + -2.555555556 = -2.555555556
3x + x2 = -2.555555556

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = -2.555555556 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -2.555555556 + 2.25

Combine like terms: -2.555555556 + 2.25 = -0.305555556
2.25 + 3x + x2 = -0.305555556

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -0.305555556

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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