6a^2-17a+85=0

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Solution for 6a^2-17a+85=0 equation:


Simplifying
6a2 + -17a + 85 = 0

Reorder the terms:
85 + -17a + 6a2 = 0

Solving
85 + -17a + 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'.
14.16666667 + -2.833333333a + a2 = 0

Move the constant term to the right:

Add '-14.16666667' to each side of the equation.
14.16666667 + -2.833333333a + -14.16666667 + a2 = 0 + -14.16666667

Reorder the terms:
14.16666667 + -14.16666667 + -2.833333333a + a2 = 0 + -14.16666667

Combine like terms: 14.16666667 + -14.16666667 = 0.00000000
0.00000000 + -2.833333333a + a2 = 0 + -14.16666667
-2.833333333a + a2 = 0 + -14.16666667

Combine like terms: 0 + -14.16666667 = -14.16666667
-2.833333333a + a2 = -14.16666667

The a term is -2.833333333a.  Take half its coefficient (-1.416666667).
Square it (2.006944445) and add it to both sides.

Add '2.006944445' to each side of the equation.
-2.833333333a + 2.006944445 + a2 = -14.16666667 + 2.006944445

Reorder the terms:
2.006944445 + -2.833333333a + a2 = -14.16666667 + 2.006944445

Combine like terms: -14.16666667 + 2.006944445 = -12.159722225
2.006944445 + -2.833333333a + a2 = -12.159722225

Factor a perfect square on the left side:
(a + -1.416666667)(a + -1.416666667) = -12.159722225

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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