3m^2-4m+8=0

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Solution for 3m^2-4m+8=0 equation: 


Simplifying
3m2 + -4m + 8 = 0

Reorder the terms:
8 + -4m + 3m2 = 0

Solving
8 + -4m + 3m2 = 0

Solving for variable 'm'.

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

Divide each side by '3'.
2.666666667 + -1.333333333m + m2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + -1.333333333m + -2.666666667 + m2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + -1.333333333m + m2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + -1.333333333m + m2 = 0 + -2.666666667
-1.333333333m + m2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
-1.333333333m + m2 = -2.666666667

The m term is -1.333333333m.  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.
-1.333333333m + 0.4444444442 + m2 = -2.666666667 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333m + m2 = -2.666666667 + 0.4444444442

Combine like terms: -2.666666667 + 0.4444444442 = -2.2222222228
0.4444444442 + -1.333333333m + m2 = -2.2222222228

Factor a perfect square on the left side:
(m + -0.6666666665)(m + -0.6666666665) = -2.2222222228

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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