3X^2+55X+872=0

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Solution for 3X^2+55X+872=0 equation:


Simplifying
3X2 + 55X + 872 = 0

Reorder the terms:
872 + 55X + 3X2 = 0

Solving
872 + 55X + 3X2 = 0

Solving for variable 'X'.

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

Divide each side by '3'.
290.6666667 + 18.33333333X + X2 = 0

Move the constant term to the right:

Add '-290.6666667' to each side of the equation.
290.6666667 + 18.33333333X + -290.6666667 + X2 = 0 + -290.6666667

Reorder the terms:
290.6666667 + -290.6666667 + 18.33333333X + X2 = 0 + -290.6666667

Combine like terms: 290.6666667 + -290.6666667 = 0.0000000
0.0000000 + 18.33333333X + X2 = 0 + -290.6666667
18.33333333X + X2 = 0 + -290.6666667

Combine like terms: 0 + -290.6666667 = -290.6666667
18.33333333X + X2 = -290.6666667

The X term is 18.33333333X.  Take half its coefficient (9.166666665).
Square it (84.02777775) and add it to both sides.

Add '84.02777775' to each side of the equation.
18.33333333X + 84.02777775 + X2 = -290.6666667 + 84.02777775

Reorder the terms:
84.02777775 + 18.33333333X + X2 = -290.6666667 + 84.02777775

Combine like terms: -290.6666667 + 84.02777775 = -206.63888895
84.02777775 + 18.33333333X + X2 = -206.63888895

Factor a perfect square on the left side:
(X + 9.166666665)(X + 9.166666665) = -206.63888895

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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