6a^2-a+77=0

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Solution for 6a^2-a+77=0 equation:


Simplifying
6a2 + -1a + 77 = 0

Reorder the terms:
77 + -1a + 6a2 = 0

Solving
77 + -1a + 6a2 = 0

Solving for variable 'a'.

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

Divide each side by '6'.
12.83333333 + -0.1666666667a + a2 = 0

Move the constant term to the right:

Add '-12.83333333' to each side of the equation.
12.83333333 + -0.1666666667a + -12.83333333 + a2 = 0 + -12.83333333

Reorder the terms:
12.83333333 + -12.83333333 + -0.1666666667a + a2 = 0 + -12.83333333

Combine like terms: 12.83333333 + -12.83333333 = 0.00000000
0.00000000 + -0.1666666667a + a2 = 0 + -12.83333333
-0.1666666667a + a2 = 0 + -12.83333333

Combine like terms: 0 + -12.83333333 = -12.83333333
-0.1666666667a + a2 = -12.83333333

The a term is -0.1666666667a.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667a + 0.006944444447 + a2 = -12.83333333 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667a + a2 = -12.83333333 + 0.006944444447

Combine like terms: -12.83333333 + 0.006944444447 = -12.826388885553
0.006944444447 + -0.1666666667a + a2 = -12.826388885553

Factor a perfect square on the left side:
(a + -0.08333333335)(a + -0.08333333335) = -12.826388885553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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