6n^2+9n+4=0

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Solution for 6n^2+9n+4=0 equation:


Simplifying
6n2 + 9n + 4 = 0

Reorder the terms:
4 + 9n + 6n2 = 0

Solving
4 + 9n + 6n2 = 0

Solving for variable 'n'.

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

Divide each side by '6'.
0.6666666667 + 1.5n + n2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + 1.5n + -0.6666666667 + n2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + 1.5n + n2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + 1.5n + n2 = 0 + -0.6666666667
1.5n + n2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
1.5n + n2 = -0.6666666667

The n term is 1.5n.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5n + 0.5625 + n2 = -0.6666666667 + 0.5625

Reorder the terms:
0.5625 + 1.5n + n2 = -0.6666666667 + 0.5625

Combine like terms: -0.6666666667 + 0.5625 = -0.1041666667
0.5625 + 1.5n + n2 = -0.1041666667

Factor a perfect square on the left side:
(n + 0.75)(n + 0.75) = -0.1041666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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