9a^2-a+8=0

Solution for 9a^2-a+8=0 equation:

Simplifying
9a2 + -1a + 8 = 0

Reorder the terms:
8 + -1a + 9a2 = 0

Solving
8 + -1a + 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'.
0.8888888889 + -0.1111111111a + a2 = 0

Move the constant term to the right:

Add '-0.8888888889' to each side of the equation.
0.8888888889 + -0.1111111111a + -0.8888888889 + a2 = 0 + -0.8888888889

Reorder the terms:
0.8888888889 + -0.8888888889 + -0.1111111111a + a2 = 0 + -0.8888888889

Combine like terms: 0.8888888889 + -0.8888888889 = 0.0000000000
0.0000000000 + -0.1111111111a + a2 = 0 + -0.8888888889
-0.1111111111a + a2 = 0 + -0.8888888889

Combine like terms: 0 + -0.8888888889 = -0.8888888889
-0.1111111111a + a2 = -0.8888888889

The a term is -0.1111111111a.  Take half its coefficient (-0.05555555555).
Square it (0.003086419752) and add it to both sides.

Add '0.003086419752' to each side of the equation.
-0.1111111111a + 0.003086419752 + a2 = -0.8888888889 + 0.003086419752

Reorder the terms:
0.003086419752 + -0.1111111111a + a2 = -0.8888888889 + 0.003086419752

Combine like terms: -0.8888888889 + 0.003086419752 = -0.885802469148
0.003086419752 + -0.1111111111a + a2 = -0.885802469148

Factor a perfect square on the left side:
(a + -0.05555555555)(a + -0.05555555555) = -0.885802469148

Can't calculate square root of the right side.

The solution to this equation could not be determined.