6x^2+9x+8=0

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Solution for 6x^2+9x+8=0 equation:


Simplifying
6x2 + 9x + 8 = 0

Reorder the terms:
8 + 9x + 6x2 = 0

Solving
8 + 9x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
1.333333333 + 1.5x + x2 = 0

Move the constant term to the right:

Add '-1.333333333' to each side of the equation.
1.333333333 + 1.5x + -1.333333333 + x2 = 0 + -1.333333333

Reorder the terms:
1.333333333 + -1.333333333 + 1.5x + x2 = 0 + -1.333333333

Combine like terms: 1.333333333 + -1.333333333 = 0.000000000
0.000000000 + 1.5x + x2 = 0 + -1.333333333
1.5x + x2 = 0 + -1.333333333

Combine like terms: 0 + -1.333333333 = -1.333333333
1.5x + x2 = -1.333333333

The x term is 1.5x.  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.
1.5x + 0.5625 + x2 = -1.333333333 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = -1.333333333 + 0.5625

Combine like terms: -1.333333333 + 0.5625 = -0.770833333
0.5625 + 1.5x + x2 = -0.770833333

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = -0.770833333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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