5x^2-56x+159=0

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Solution for 5x^2-56x+159=0 equation:


Simplifying
5x2 + -56x + 159 = 0

Reorder the terms:
159 + -56x + 5x2 = 0

Solving
159 + -56x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
31.8 + -11.2x + x2 = 0

Move the constant term to the right:

Add '-31.8' to each side of the equation.
31.8 + -11.2x + -31.8 + x2 = 0 + -31.8

Reorder the terms:
31.8 + -31.8 + -11.2x + x2 = 0 + -31.8

Combine like terms: 31.8 + -31.8 = 0.0
0.0 + -11.2x + x2 = 0 + -31.8
-11.2x + x2 = 0 + -31.8

Combine like terms: 0 + -31.8 = -31.8
-11.2x + x2 = -31.8

The x term is -11.2x.  Take half its coefficient (-5.6).
Square it (31.36) and add it to both sides.

Add '31.36' to each side of the equation.
-11.2x + 31.36 + x2 = -31.8 + 31.36

Reorder the terms:
31.36 + -11.2x + x2 = -31.8 + 31.36

Combine like terms: -31.8 + 31.36 = -0.44
31.36 + -11.2x + x2 = -0.44

Factor a perfect square on the left side:
(x + -5.6)(x + -5.6) = -0.44

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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