9a^2-4a+60=0

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Solution for 9a^2-4a+60=0 equation:


Simplifying
9a2 + -4a + 60 = 0

Reorder the terms:
60 + -4a + 9a2 = 0

Solving
60 + -4a + 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'.
6.666666667 + -0.4444444444a + a2 = 0

Move the constant term to the right:

Add '-6.666666667' to each side of the equation.
6.666666667 + -0.4444444444a + -6.666666667 + a2 = 0 + -6.666666667

Reorder the terms:
6.666666667 + -6.666666667 + -0.4444444444a + a2 = 0 + -6.666666667

Combine like terms: 6.666666667 + -6.666666667 = 0.000000000
0.000000000 + -0.4444444444a + a2 = 0 + -6.666666667
-0.4444444444a + a2 = 0 + -6.666666667

Combine like terms: 0 + -6.666666667 = -6.666666667
-0.4444444444a + a2 = -6.666666667

The a term is -0.4444444444a.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444a + 0.04938271604 + a2 = -6.666666667 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444a + a2 = -6.666666667 + 0.04938271604

Combine like terms: -6.666666667 + 0.04938271604 = -6.61728395096
0.04938271604 + -0.4444444444a + a2 = -6.61728395096

Factor a perfect square on the left side:
(a + -0.2222222222)(a + -0.2222222222) = -6.61728395096

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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