9X^2-48X+80=0

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Solution for 9X^2-48X+80=0 equation:


Simplifying
9X2 + -48X + 80 = 0

Reorder the terms:
80 + -48X + 9X2 = 0

Solving
80 + -48X + 9X2 = 0

Solving for variable 'X'.

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

Divide each side by '9'.
8.888888889 + -5.333333333X + X2 = 0

Move the constant term to the right:

Add '-8.888888889' to each side of the equation.
8.888888889 + -5.333333333X + -8.888888889 + X2 = 0 + -8.888888889

Reorder the terms:
8.888888889 + -8.888888889 + -5.333333333X + X2 = 0 + -8.888888889

Combine like terms: 8.888888889 + -8.888888889 = 0.000000000
0.000000000 + -5.333333333X + X2 = 0 + -8.888888889
-5.333333333X + X2 = 0 + -8.888888889

Combine like terms: 0 + -8.888888889 = -8.888888889
-5.333333333X + X2 = -8.888888889

The X term is -5.333333333X.  Take half its coefficient (-2.666666667).
Square it (7.111111113) and add it to both sides.

Add '7.111111113' to each side of the equation.
-5.333333333X + 7.111111113 + X2 = -8.888888889 + 7.111111113

Reorder the terms:
7.111111113 + -5.333333333X + X2 = -8.888888889 + 7.111111113

Combine like terms: -8.888888889 + 7.111111113 = -1.777777776
7.111111113 + -5.333333333X + X2 = -1.777777776

Factor a perfect square on the left side:
(X + -2.666666667)(X + -2.666666667) = -1.777777776

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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