9a^2-31a+46=0

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Solution for 9a^2-31a+46=0 equation:


Simplifying
9a2 + -31a + 46 = 0

Reorder the terms:
46 + -31a + 9a2 = 0

Solving
46 + -31a + 9a2 = 0

Solving for variable 'a'.

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

Divide each side by '9'.
5.111111111 + -3.444444444a + a2 = 0

Move the constant term to the right:

Add '-5.111111111' to each side of the equation.
5.111111111 + -3.444444444a + -5.111111111 + a2 = 0 + -5.111111111

Reorder the terms:
5.111111111 + -5.111111111 + -3.444444444a + a2 = 0 + -5.111111111

Combine like terms: 5.111111111 + -5.111111111 = 0.000000000
0.000000000 + -3.444444444a + a2 = 0 + -5.111111111
-3.444444444a + a2 = 0 + -5.111111111

Combine like terms: 0 + -5.111111111 = -5.111111111
-3.444444444a + a2 = -5.111111111

The a term is -3.444444444a.  Take half its coefficient (-1.722222222).
Square it (2.966049382) and add it to both sides.

Add '2.966049382' to each side of the equation.
-3.444444444a + 2.966049382 + a2 = -5.111111111 + 2.966049382

Reorder the terms:
2.966049382 + -3.444444444a + a2 = -5.111111111 + 2.966049382

Combine like terms: -5.111111111 + 2.966049382 = -2.145061729
2.966049382 + -3.444444444a + a2 = -2.145061729

Factor a perfect square on the left side:
(a + -1.722222222)(a + -1.722222222) = -2.145061729

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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