3x(3x-4)=-8

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Solution for 3x(3x-4)=-8 equation:


Simplifying
3x(3x + -4) = -8

Reorder the terms:
3x(-4 + 3x) = -8
(-4 * 3x + 3x * 3x) = -8
(-12x + 9x2) = -8

Solving
-12x + 9x2 = -8

Solving for variable 'x'.

Reorder the terms:
8 + -12x + 9x2 = -8 + 8

Combine like terms: -8 + 8 = 0
8 + -12x + 9x2 = 0

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

Divide each side by '9'.
0.8888888889 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-0.8888888889' to each side of the equation.
0.8888888889 + -1.333333333x + -0.8888888889 + x2 = 0 + -0.8888888889

Reorder the terms:
0.8888888889 + -0.8888888889 + -1.333333333x + x2 = 0 + -0.8888888889

Combine like terms: 0.8888888889 + -0.8888888889 = 0.0000000000
0.0000000000 + -1.333333333x + x2 = 0 + -0.8888888889
-1.333333333x + x2 = 0 + -0.8888888889

Combine like terms: 0 + -0.8888888889 = -0.8888888889
-1.333333333x + x2 = -0.8888888889

The x term is -1.333333333x.  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.
-1.333333333x + 0.4444444442 + x2 = -0.8888888889 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -0.8888888889 + 0.4444444442

Combine like terms: -0.8888888889 + 0.4444444442 = -0.4444444447
0.4444444442 + -1.333333333x + x2 = -0.4444444447

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -0.4444444447

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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