9v^2-12v+74=0

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Solution for 9v^2-12v+74=0 equation:


Simplifying
9v2 + -12v + 74 = 0

Reorder the terms:
74 + -12v + 9v2 = 0

Solving
74 + -12v + 9v2 = 0

Solving for variable 'v'.

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

Divide each side by '9'.
8.222222222 + -1.333333333v + v2 = 0

Move the constant term to the right:

Add '-8.222222222' to each side of the equation.
8.222222222 + -1.333333333v + -8.222222222 + v2 = 0 + -8.222222222

Reorder the terms:
8.222222222 + -8.222222222 + -1.333333333v + v2 = 0 + -8.222222222

Combine like terms: 8.222222222 + -8.222222222 = 0.000000000
0.000000000 + -1.333333333v + v2 = 0 + -8.222222222
-1.333333333v + v2 = 0 + -8.222222222

Combine like terms: 0 + -8.222222222 = -8.222222222
-1.333333333v + v2 = -8.222222222

The v term is -1.333333333v.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333v + 0.4444444442 + v2 = -8.222222222 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333v + v2 = -8.222222222 + 0.4444444442

Combine like terms: -8.222222222 + 0.4444444442 = -7.7777777778
0.4444444442 + -1.333333333v + v2 = -7.7777777778

Factor a perfect square on the left side:
(v + -0.6666666665)(v + -0.6666666665) = -7.7777777778

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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