9u^2+30u+35=0

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Solution for 9u^2+30u+35=0 equation:


Simplifying
9u2 + 30u + 35 = 0

Reorder the terms:
35 + 30u + 9u2 = 0

Solving
35 + 30u + 9u2 = 0

Solving for variable 'u'.

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

Divide each side by '9'.
3.888888889 + 3.333333333u + u2 = 0

Move the constant term to the right:

Add '-3.888888889' to each side of the equation.
3.888888889 + 3.333333333u + -3.888888889 + u2 = 0 + -3.888888889

Reorder the terms:
3.888888889 + -3.888888889 + 3.333333333u + u2 = 0 + -3.888888889

Combine like terms: 3.888888889 + -3.888888889 = 0.000000000
0.000000000 + 3.333333333u + u2 = 0 + -3.888888889
3.333333333u + u2 = 0 + -3.888888889

Combine like terms: 0 + -3.888888889 = -3.888888889
3.333333333u + u2 = -3.888888889

The u term is 3.333333333u.  Take half its coefficient (1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
3.333333333u + 2.777777779 + u2 = -3.888888889 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333u + u2 = -3.888888889 + 2.777777779

Combine like terms: -3.888888889 + 2.777777779 = -1.11111111
2.777777779 + 3.333333333u + u2 = -1.11111111

Factor a perfect square on the left side:
(u + 1.666666667)(u + 1.666666667) = -1.11111111

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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