9x^2-77x+173=0

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Solution for 9x^2-77x+173=0 equation: 


Simplifying
9x2 + -77x + 173 = 0

Reorder the terms:
173 + -77x + 9x2 = 0

Solving
173 + -77x + 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'.
19.22222222 + -8.555555556x + x2 = 0

Move the constant term to the right:

Add '-19.22222222' to each side of the equation.
19.22222222 + -8.555555556x + -19.22222222 + x2 = 0 + -19.22222222

Reorder the terms:
19.22222222 + -19.22222222 + -8.555555556x + x2 = 0 + -19.22222222

Combine like terms: 19.22222222 + -19.22222222 = 0.00000000
0.00000000 + -8.555555556x + x2 = 0 + -19.22222222
-8.555555556x + x2 = 0 + -19.22222222

Combine like terms: 0 + -19.22222222 = -19.22222222
-8.555555556x + x2 = -19.22222222

The x term is -8.555555556x.  Take half its coefficient (-4.277777778).
Square it (18.29938272) and add it to both sides.

Add '18.29938272' to each side of the equation.
-8.555555556x + 18.29938272 + x2 = -19.22222222 + 18.29938272

Reorder the terms:
18.29938272 + -8.555555556x + x2 = -19.22222222 + 18.29938272

Combine like terms: -19.22222222 + 18.29938272 = -0.9228395
18.29938272 + -8.555555556x + x2 = -0.9228395

Factor a perfect square on the left side:
(x + -4.277777778)(x + -4.277777778) = -0.9228395

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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