9x^2-38x+47=0

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Solution for 9x^2-38x+47=0 equation:


Simplifying
9x2 + -38x + 47 = 0

Reorder the terms:
47 + -38x + 9x2 = 0

Solving
47 + -38x + 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'.
5.222222222 + -4.222222222x + x2 = 0

Move the constant term to the right:

Add '-5.222222222' to each side of the equation.
5.222222222 + -4.222222222x + -5.222222222 + x2 = 0 + -5.222222222

Reorder the terms:
5.222222222 + -5.222222222 + -4.222222222x + x2 = 0 + -5.222222222

Combine like terms: 5.222222222 + -5.222222222 = 0.000000000
0.000000000 + -4.222222222x + x2 = 0 + -5.222222222
-4.222222222x + x2 = 0 + -5.222222222

Combine like terms: 0 + -5.222222222 = -5.222222222
-4.222222222x + x2 = -5.222222222

The x term is -4.222222222x.  Take half its coefficient (-2.111111111).
Square it (4.456790123) and add it to both sides.

Add '4.456790123' to each side of the equation.
-4.222222222x + 4.456790123 + x2 = -5.222222222 + 4.456790123

Reorder the terms:
4.456790123 + -4.222222222x + x2 = -5.222222222 + 4.456790123

Combine like terms: -5.222222222 + 4.456790123 = -0.765432099
4.456790123 + -4.222222222x + x2 = -0.765432099

Factor a perfect square on the left side:
(x + -2.111111111)(x + -2.111111111) = -0.765432099

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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