15X^2-17X+7=0

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Solution for 15X^2-17X+7=0 equation: 


Simplifying
15X2 + -17X + 7 = 0

Reorder the terms:
7 + -17X + 15X2 = 0

Solving
7 + -17X + 15X2 = 0

Solving for variable 'X'.

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

Divide each side by '15'.
0.4666666667 + -1.133333333X + X2 = 0

Move the constant term to the right:

Add '-0.4666666667' to each side of the equation.
0.4666666667 + -1.133333333X + -0.4666666667 + X2 = 0 + -0.4666666667

Reorder the terms:
0.4666666667 + -0.4666666667 + -1.133333333X + X2 = 0 + -0.4666666667

Combine like terms: 0.4666666667 + -0.4666666667 = 0.0000000000
0.0000000000 + -1.133333333X + X2 = 0 + -0.4666666667
-1.133333333X + X2 = 0 + -0.4666666667

Combine like terms: 0 + -0.4666666667 = -0.4666666667
-1.133333333X + X2 = -0.4666666667

The X term is -1.133333333X.  Take half its coefficient (-0.5666666665).
Square it (0.3211111109) and add it to both sides.

Add '0.3211111109' to each side of the equation.
-1.133333333X + 0.3211111109 + X2 = -0.4666666667 + 0.3211111109

Reorder the terms:
0.3211111109 + -1.133333333X + X2 = -0.4666666667 + 0.3211111109

Combine like terms: -0.4666666667 + 0.3211111109 = -0.1455555558
0.3211111109 + -1.133333333X + X2 = -0.1455555558

Factor a perfect square on the left side:
(X + -0.5666666665)(X + -0.5666666665) = -0.1455555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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